Right tri.
In a right triangle ABC , B being the right angle , AB = 3 cm. BC = 4 cm. a straight line DE is drawn inside the triangle parallel to AB , dividing the triangle ABC into two equal areas A1 and A2 , the area of the triangle EDC is A1 , as shown on the figure provided . If the perimeter of the area A1 is P1 and the perimeter of the area A2 is P2 . then :
= .
m,n being positive coprime integers , find mn ?
The answer is 28.
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