Question

Find the area of the parallelogram.

Answer 1

Answer: 252cm^2

Explanation:

Find height of parallelogram using the triangle.

`a^2+b^2=c^2\\(9)^2+b^2=(15)^2\\b^2=114\\b=12`

Now that we have the height, we can fnd the area of the parallelogram using A=bh.

A = (12)(21)

A =252cm^2