Question

find the area of the following quadrilaterals

Answer 1

hope it helps you...

Answer 2

$(\frac{1}{2} * 30 * 12) + (\frac{1}{2} * 30 * 10) \\ = \frac{1}{2} * 30 * (12 + 10) \\ = \frac{1}{2} * 30 * 22 \\ = 30 * 11 = 330 cm^2$