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Math: Triangles

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Re: Math: Triangles [#permalink] New post 08 Nov 2011, 22:45
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Re: Math: Triangles [#permalink] New post 13 Nov 2011, 23:16
great job! thank you for posting the problems related!
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Re: Math: Triangles [#permalink] New post 27 Dec 2011, 00:03
Awesome... thats what i needed..
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Re: Math: Triangles [#permalink] New post 05 Mar 2012, 04:38
Bunuel, you posted this in 2009. It's 2012 now and I am finding this so useful. Talk about leaving behind a legacy. you deserve a nice, large, value-saver family pack of Kudos!
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Re: Math: Triangles [#permalink] New post 05 Mar 2012, 04:43
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budablasta wrote:
Bunuel, you posted this in 2009. It's 2012 now and I am finding this so useful. Talk about leaving behind a legacy. you deserve a nice, large, value-saver family pack of Kudos!


You might find other chapters of Math Book useful as well: gmat-math-book-87417.html

Also check Seven Samurai of 2012: seven-samurai-of-128316.html best topics, downloads and theory posts discussed in 2012.
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RESOURCES: [GMAT MATH BOOK]; 1. Triangles; 2. Polygons; 3. Coordinate Geometry; 4. Factorials; 5. Circles; 6. Number Theory; 7. Remainders; 8. Overlapping Sets; 9. PDF of Math Book; 10. Remainders

COLLECTION OF QUESTIONS:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. NEW!!! ,11 Mixed Questions NEW!!!, 12 Fresh Meat NEW!!!

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS ; 9 Devil's Dozen!!!; 10 Number Properties set. NEW!!!, 11 New DS set. NEW!!!


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Re: Math: Triangles [#permalink] New post 05 Mar 2012, 04:49
Yup, I have been going through each section of the Math Book since morning!
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Re: Math: Triangles [#permalink] New post 05 Mar 2012, 09:17
Has a similar project been done for Verbal? I have Whiplash's CR material. (The one with the pretty cover and ZOMG! ZOMG! ZOMG! written on it). Has somebody put together a similar core-concepts book for Verbal?
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Re: Math: Triangles [#permalink] New post 06 Mar 2012, 22:41
excellent & very useful one
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Re: Math: Triangles [#permalink] New post 21 Mar 2012, 06:57
I WANT TO CALCULATE THE AREA OF A TRIANGLE WHOSE MEDIANS ARE GIVEN 12 CM 9 CM AND 6 CM

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Re: Math: Triangles [#permalink] New post 21 Mar 2012, 09:47
Let me just say that you sir, are awesome.

Small error here I think :"A right triangle inscribed in a circle must have its hypotenuse as the diameter of the circle. The reverse is also true: if the diameter of the circle is also the triangle’s hypotenuse, then that triangle is a right triangle.

Wouldn't it make more sense to say "if the diameter of the circle is one of the sides of a triangle inscribed in a circle, the triangle is a right triangle"? Calling the diameter a hypotenuse suggests that we already know that it's a right triangle. :)
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Re: Math: Triangles [#permalink] New post 28 Oct 2012, 06:31
Does GMAC test trignometry? for example - could we expect such problem?

Solve the triangle below for angle x and then compute the area of the triangle.

Say a triangle ABC with angles A, B and C with opposite sides to these angles a,b, and c respectively. a = 5 inches and b = 3 inches and angle A = 75 degrees find B =?

Thanks!
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Re: Math: Triangles [#permalink] New post 29 Oct 2012, 06:33
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goutamread wrote:
Does GMAC test trignometry? for example - could we expect such problem?

Solve the triangle below for angle x and then compute the area of the triangle.

Say a triangle ABC with angles A, B and C with opposite sides to these angles a,b, and c respectively. a = 5 inches and b = 3 inches and angle A = 75 degrees find B =?

Thanks!


Trigonometry is not tested on the GMAT, which means that EVERY GMAT geometry question can be solved without it.
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RESOURCES: [GMAT MATH BOOK]; 1. Triangles; 2. Polygons; 3. Coordinate Geometry; 4. Factorials; 5. Circles; 6. Number Theory; 7. Remainders; 8. Overlapping Sets; 9. PDF of Math Book; 10. Remainders

COLLECTION OF QUESTIONS:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. NEW!!! ,11 Mixed Questions NEW!!!, 12 Fresh Meat NEW!!!

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS ; 9 Devil's Dozen!!!; 10 Number Properties set. NEW!!!, 11 New DS set. NEW!!!


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Re: Math: Triangles [#permalink] New post 15 Nov 2012, 04:40
Quote:
• To find the base given the leg and altitude, use the formula:

• To find the leg length given the base and altitude, use the formula:

• To find the altitude given the base and leg, use the formula: (Where: L is the length of a leg; A is the altitude; B is the length of the base)


What is 'leg' of an isosceles triangle?
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Re: Math: Triangles [#permalink] New post 28 Dec 2012, 09:30
This is just awesome Bunuel...Thanks a lot for making the theory of one of the most important parts of GMAT Math readily available...

Could you please let me know that whether do we have any sort of thread that contains all Geometry 700+ problem collections in the forum ?

BTW,you sig. I guess,does not contain any specific Geometry problem set..Please confirm whether I'm correct.

Appreciate your feedback on this.
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Re: Math: Triangles [#permalink] New post 29 Dec 2012, 04:21
debayan222 wrote:
This is just awesome Bunuel...Thanks a lot for making the theory of one of the most important parts of GMAT Math readily available...

Could you please let me know that whether do we have any sort of thread that contains all Geometry 700+ problem collections in the forum ?

BTW,you sig. I guess,does not contain any specific Geometry problem set..Please confirm whether I'm correct.

Appreciate your feedback on this.


Check here: ds-question-directory-by-topic-difficulty-128728.html and here: gmat-ps-question-directory-by-topic-difficulty-127957.html
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NEW TO MATH FORUM? PLEASE READ THIS: ALL YOU NEED FOR QUANT!!!

PLEASE READ AND FOLLOW: 11 Rules for Posting!!!

RESOURCES: [GMAT MATH BOOK]; 1. Triangles; 2. Polygons; 3. Coordinate Geometry; 4. Factorials; 5. Circles; 6. Number Theory; 7. Remainders; 8. Overlapping Sets; 9. PDF of Math Book; 10. Remainders

COLLECTION OF QUESTIONS:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. NEW!!! ,11 Mixed Questions NEW!!!, 12 Fresh Meat NEW!!!

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS ; 9 Devil's Dozen!!!; 10 Number Properties set. NEW!!!, 11 New DS set. NEW!!!


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Re: Math: Triangles [#permalink] New post 29 Dec 2012, 06:21
Bunuel wrote:
debayan222 wrote:
This is just awesome Bunuel...Thanks a lot for making the theory of one of the most important parts of GMAT Math readily available...

Could you please let me know that whether do we have any sort of thread that contains all Geometry 700+ problem collections in the forum ?

BTW,you sig. I guess,does not contain any specific Geometry problem set..Please confirm whether I'm correct.

Appreciate your feedback on this.


Check here: ds-question-directory-by-topic-difficulty-128728.html and here: gmat-ps-question-directory-by-topic-difficulty-127957.html


Thanks Bunuel for your reply.

Well,that's the directory..have seen that already..but they contain the links of all the PS and DS problems submitted in the forum by all the forum members.But actually I was looking for specific Geometry problem set created by experts...like other problems in your signature.So,could you please share any such specific links,if any?

Appreciate your reply.
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Re: Math: Triangles [#permalink] New post 05 Feb 2013, 07:17
I think formula for Ratio of Area of triangles to the side must also be added...............
Re: Math: Triangles   [#permalink] 05 Feb 2013, 07:17
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