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DS. TRIANLGE

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DS. TRIANLGE

by [email protected] » Mon Sep 12, 2011 9:23 am
Q1: IF A TRIANGLE IS INSCRIBED IN A CIRCLE, IS THE PERIMETER OF THE TRIANGLE GREATER THAN
16 ?

A: THE RADIUS OF CIRCLE IS 2
B: THE TRIANGLE IS AN EQUILATERAL TRIANGLE
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by cans » Mon Sep 12, 2011 9:39 am
perimeter>16??
A)r=2. thus max side can be 4 (diameter). even with all the three as diameters(not possible), perimeter max=12.
Sufficient
B)Insufficient. (we can have circle with r=100 and then p>16 is possible)
IMO A
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by [email protected] » Mon Sep 12, 2011 10:06 am
cans wrote:perimeter>16??
A)r=2. thus max side can be 4 (diameter). even with all the three as diameters(not possible), perimeter max=12.
Sufficient
B)Insufficient. (we can have circle with r=100 and then p>16 is possible)
IMO A

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