Question

find upto three places of decimal where the radius of the circle whose area is sum of the area of two triangles whose sides are 35, 53, 66 and 33, 56, 65 measured in centimeters

Answer 1

for 1st triangle
let a=35 b=53 c=66
s =a+b+c/2
=77
area = square root of s (s-a)(s-b)(s-c)
similarly find area of second triangle
sum of areas =pie r^2

Answer 2

Answer:

hope it was helpful thank you