Question

A semicircle is attached to the side of a rectangle as shown. What is the best approximation for the area of this figure? Use 3.14 to approximate pi. Select from the drop-down menu to correctly complete the statement.

The area is ____ cm2
Choices in blank :
A. 62.1
B. 117.4
C. 122.1
D. 164.5

Answer 1

Rectangle = 18 × 6 = 108
Circle: 3.14 × (3)^2 = 3.14 x 9 = 28.26
semicircle: 28.26 / 2 = 14,13
108 + 14.13 = 122.13
answer
122.13 cm^2