Question

What is the area of the composite figure?

Answer 1

Answer:

a. 70 square centimeters

Step-by-step explanation:

The area of the composite figure = Area of trapezoid + Area of rectangle

 Area of trapezoid = $\frac{1}{2}$ (a + b) h

                              = $\frac{1}{2}$ (12 + 13) × 5

                              = $\frac{1}{2}$ ×125

                              = 62.5

Area of trapezoid is 62.5$cm^{2}$

Area of rectangle = length ×breadth

                             = 5 × 2

                             = 10 $cm^{2}$

Area of rectangle is 10$cm^{2}$

The area of the composite figure = 62.5 + 10

                                                       = 72.5$cm^{2}$

To 1 significant figure, the area of the composite is 70$cm^{2}$.