Question

I need help with this problem

Answer 1

h = 15

Explanation:

The formula of an area of a parallelogram:

`A=bh`

b - side

h - height

We have b₁ = 18 and h₁ 10 and b₂ = 12.

`b_1h_1=b_2h`

Substitute:

`12h=(18)(10)`

`12h=180` divide both sides by 12

`h=15`