Question

What is area of the composite shape? ___ sq. ft

Use 3.14 for "pi" and round to the nearest hundredths place.

Answer 1

64.26 ft^2

Explanation:

3.14 x 3^2 = 28.26

3 x 12= 36

28.26+ 36= 64.26

Answer 2

28.26 square feet

Explanation:

First, we can find the area of the rectangle in the shape. The area of a rectangle is the length*width. The length is 12ft, width is 3ft, 12*3 = 38sqFt.

Now for the circle (which is split in half). Area of a circle is pi*r^2.

The length of the whole bottom of the composite shape is 12. 6 of those feet are from the sides of the rectangle, which leaves 6 as the diameter of the circle. Radius is half of diameter, so it is 3.

pi*r^2 would give us 3.14*9 because the radius, which is 3, squared would give us 9. 9*3.14=28.26