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Find the area of the circle if the side length of square is 10.

 

 Jun 29, 2020
 #1
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Let connect the midpoints of sides AD and BC with a line segment MN

 

AM = sqrt(AB2 + BN2)

 

MN = sqrt(AM2 + AN2)           (This is your diameter)   smiley

 Jun 29, 2020
 #2
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Above post is no good cheeky                                                                                                                                             

 

Let connect the midpoints of sides AD and BC with a line segment MN                                     

 

AN = sqrt(52 + 102)

 

Angle ANM = arctan(5 /10)

 

AM = 5 / cos(ANM)

 

MN = sqrt(AN2 + AM2)  smiley

Guest Jun 29, 2020

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