Question

The area of triangle is equal to the area of square of side 40 meter.Calculate the base of triangle if its altitude is 80 meter.

Answer 1

Area of square
=(side)². =(40)². =1600
hence
$\frac{1}{2} \times b \times h = 1600 \\ \frac{1}{2} \times b \times 80 = 1600 \\ b = 40$