Question

What is the length of the base of a right triangle with an area of  20 m² and a height of 4 m?

5 m

10 m

80 m

160 m

Answer 1

A = 1/2 hb
20 = 1/2 x 4 x b
20 = 2 b
b = 20 /2
b = 10

answer is 10 m