Question

find the area of equilateral triangle of side 25 CM​

Answer 1

Area = √3 a^2 / 4

= √3 x 25 ^ 2 / 4

= √3 × 625 / 4

= 625√3 / 4

If we take √3 = 1.73

Then = 625 × 1.73 / 4

= 270.3125 square cm

This is the answer. ✌✌✌