Question

Which of the following explains how to find the area of the shaded region shown?

Find the area of the inner and outer trapezoids, and add them together.


Find the area of the outer trapezoid and then subtract the area of the inner trapezoid.


Count the shaded grid squares and estimate the number of partially shaded squares.


Find the area of the outer trapezoid.






Part B
Find the area in square units.

Answer 1

Explanation:

Find the area of the outer trapezoid and then subtract the area of the inner trapezoid.

`A=(1)/(2) (a+b)h`

`A_o=(1)/(2) (6+2)6=24`

`A_i=(1)/(2) (4+2)3=9`

Total area = 24 - 9 =15 square units