Area of Semicircles

Find the area of this Semicircle with a diameter of 18 cm

• 254.34 cm

• 127.17 cm

• 56.52 cm

• 28.26 cm

what is the area of this semicircle ?
d = 8 cm 

• 100.48 cm²

• 80 cm²

• 200.96 cm²

• 25.12 cm²

A _____ is half of a circle.

• circumference

• pi

• semicircle

• composite figure

Find the area of the semicircle. Round you answer to the nearest hundredth.

• 76.93

• 19.23

• 153.86

• 21.98

Find the area of the semicircle. Round you answer to the nearest hundredth.

• 19.63

• 9.8125

• 9.81

• 39.25

Find the area of the semicircle. Round you answer to the nearest hundredth.

• 18.84

• 9.42

• 56.52

• 113.04

Mrs. Wilson placed the welcome mat shown below on her front door step. What is the area of her welcome mat in square feet? Leave in terms of π.

• 2π

• 8π

• 10π

• 4π

What is the area of this semi circle? 

• 100.5 square cm

• 25.1  square cm

• 50.3 square cm

• 12.6 square cm

Find the area of the shape below. Round you answer to the nearest hundredth.

• 56.52

• 28.26

• 14.13

• 7.07

A glass stained window is shaped like a semicircle. The bottom edge of the window is 36 inches long. How much colored glass would you need to cover the stained window? Round to the nearest hundredth. (please label - sq inches or sq in)