Question

The figure shows trapezoid ABCD on a coordinate plane.

Which of the following represents the area of this figure, rounded to the nearest square unit?

99
121
198
231

Answer 1

121

Explanation:

Answer 2

121 unit^2.

Explanation:

The area = height/2 * ( sum of the opposite parallel lines)

= h/2(BC + AD

h = BF = 14 - 3 = 11 units.

BC = 13 - 5 = 8 units.

AD = 16 - 2 = 14 units.

Area = (11/2)(8 + 14)

= 5.5 * 22

= 121 unit^2.