Question

He trapezoid is composed of a rectangle and two triangles. What is the area of the rectangle? What is the total area of the triangles? What is the area of the trapezoid?
?

A)
42 cm2; 27 cm2; 69 cm 2


B)
54 cm2; 27 cm2; 81 cm 2


C)
108 cm2; 27 cm2; 135 cm 2


D)
108 cm2; 13.5 cm2; 121.5 cm 2

Answer 1

C is correct

area of rectangle:
$12 \times 9 = 108$

total area of triangles:
$2( \frac{3 \times 9}{2} ) = 27$

the area of trapezoid:
$108 + 27 = 135$




good luck

Answer 2

The correct answer is 108 cm2; 27 cm2; 135 cm2