Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 02 Jul 2015, 13:53

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# The attached diagram shows a arc of a circle who centre is

Author Message
TAGS:
GMAT Instructor
Joined: 04 Jul 2006
Posts: 1266
Followers: 24

Kudos [?]: 167 [0], given: 0

The attached diagram shows a arc of a circle who centre is [#permalink]  13 Oct 2006, 07:36
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
The attached diagram shows a arc of a circle who centre is at the origin and a line that is tangent to the circle at (4,3). What is the approximate combined area of the the two shaded regions?

(A) 2.4 (B) 4.4 (C) 6.4 (D) 8.4 (E) none of these
Attachments

arc and tangent.doc [23.5 KiB]

Last edited by kevincan on 13 Oct 2006, 12:38, edited 1 time in total.
Senior Manager
Joined: 30 Aug 2006
Posts: 374
Followers: 3

Kudos [?]: 24 [0], given: 0

Having a bit of dificulty understanding the wording of the question, but here goes:

gradient of tangent therefore is -3/4

substituting y = mx + b to get y intersect

3 = -3/4 (4) + b
b = 6

substituting y = 0 to get x intersect

0 = -3/4x + 6
x = 4/3(6) = 8

therefore area = 1/2(8) * 6 = 24
Similar topics Replies Last post
Similar
Topics:
2 Square ABCD has arc AC centred at B and arc BD centred at C 5 10 Sep 2014, 21:22
Two identical circles intersect such that their centres and 4 09 Oct 2013, 10:11
4 In the diagram above, WZ = XZ, and circular arc 6 20 Feb 2013, 16:48
A circle is drawn on a sphere whose centre is also the centre of the s 7 07 Dec 2009, 19:56
Triangle inscribed in Circle Arc Length 4 27 May 2009, 09:05
Display posts from previous: Sort by