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 * 9 = 108`

total area of triangles:

`2( (3 * 9)/(2) ) = 27`

the area of trapezoid:

`108 + 27 = 135`




good luck

Answer 2

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