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01 Jul 2009, 11:13
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Q109.
In triangle ABC, pt. X is the midpt. of side AC and pt. Y is the midpt. of side BC. If pt. R is the midpt. of line segment XC and if pt. S is the midpt. of the line segment YC, what is the area of trianglular region RCS?
1) Area of triangle region ABX is 32
2) The length of one of the altitudes of triangle ABC is 8.
Plz help me solve this ..
In triangle ABC, pt. X is the midpt. of side AC and pt. Y is the midpt. of side BC. If pt. R is the midpt. of line segment XC and if pt. S is the midpt. of the line segment YC, what is the area of trianglular region RCS?
1) Area of triangle region ABX is 32
2) The length of one of the altitudes of triangle ABC is 8.
Plz help me solve this ..
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01 Jul 2009, 11:52
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it should be in math forum... but my guess is A - 1) is sufficient...
Sure you dont know the B/H to form the area of 32 but the area of the triangle RCS uses the same basic Base and Height (BXH), just in a very smaller ratio to the original area. I think there is a triangle ratio rule or something that you can use from the knowledge of the midpoints.... it's been a while
Sure you dont know the B/H to form the area of 32 but the area of the triangle RCS uses the same basic Base and Height (BXH), just in a very smaller ratio to the original area. I think there is a triangle ratio rule or something that you can use from the knowledge of the midpoints.... it's been a while
01 Jul 2009, 11:55
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a.
1 is suff.
2 is insuff.
1 is suff.
2 is insuff.
