Smallest Part From The Circle That Was Divided Into Four Parts By Perpendicular Chords

Problem
Divide the circle of radius 13 cm into four parts by two perpendicular chords, both 5 cm from the center. What is the area of the smallest part.
 

A.   44.5 cm2 C.   48.5 cm2
B.   35 cm2 D.   31 cm2

 

Answer Key

 

Solution

 
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