Question

Solve

make B the subject of formula

`A = (1)/(2) bh`
After making B the subject of formula
find b when A = 135 , H = 18​

Answer 1

Explanation:

A = 1/2 × B × H

transform to have B = ...

A/H = 1/2 × B

B = 2 × A/H

B = 2 × 135/18 = 135/9 = 15