Semi Circles and Quarter Circles

A _____ is half of a circle.

• circumference

• pi

• semicircle

• composite figure

What is the perimeter of the window?

• 12.85

• 7.85

• 15.7

Tags

CCSS.HSG.C.B.5

Find the perimeter of the window round to the tenths place

• 78.5

• 128.5

• 157

Tags

CCSS.HSG.C.B.5

Find the area, round to the hundredths.

• 28.26

• 9.42

• 3.53

Tags

CCSS.7.G.B.4

Find the perimeter of the semicircular region. Round your answer to the nearest hundredth.

• 18.84 meters

• 9.42 meters

• 15.3 meters

• 15.42 meters

Tags

CCSS.3.MD.D.8

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

What is the area of this semi circle? 

• 100.5 square cm
• 25.1  square cm
• 50.3 square cm
• 12.6 square cm

Tags

CCSS.7.G.B.4

Find the area of the quarter circle. Round you answer to the nearest hundredth.

• 58.88

• 78.50

• 7.85

• 157.00

Tags

CCSS.7.G.B.4

Find the area of this quarter circle with a radius of 6 cm.

• 56.52 cm

• 113.04 cm

• 28.26 cm

• 37.68 cm

Tags

CCSS.7.G.B.4

Find the area of this quarter circle with a radius of 18 cm.

• 1017.36 cm
• 254.34 cm
• 26.52 cm
• 123.65 cm

Tags

CCSS.7.G.B.4