Area & Circumference Review

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

A ball has a circumference of 9.42 cm. Use 3.14 for π. What is the diameter?

• 29.5788 cm

• 59.1576 cm

• 3 cm

• 1.5 cm

Tags

CCSS.7.G.B.4

Radius = 32 inches

What is the diameter?

• 16 inches

• 64 inches

• 96 inches

• 16 feet

Tags

CCSS.7.G.B.4

Find the area of the circle, rounded to the nearest tenth. 
  

• A=26.7ft

• A=53.4ft

• A=227.0ft

• A=907.9ft

Tags

CCSS.7.G.B.4

The standard trampoline has a circumference of about 41 feet. When Jessie’s dad lays with his feet at the center of the trampoline, the top of his head aligns with the outer edge. About how tall is Jessie’s dad?

• 3.6 feet tall

• 5.6 feet tall

• 6.5 feet tall

• 13.1 feet tall

Tags

CCSS.7.G.B.4

The area of a circular swimming pool is about 266 square feet. What is the diameter of the swimming pool?

• 9.2 feet

• 18.4 feet

• 42.3 feet

• 84.7 feet

Tags

CCSS.7.G.B.4

• 28.5 feet

• 57.0 feet

• 7.5 feet

• 3.8 feet

Tags

CCSS.7.G.B.4

• 3.25 feet

• 5.28 feet

• 10.57 feet

• 16.6 feet

Tags

CCSS.7.G.B.4

Ky keeps her pet goat on a chain that is 3 meters long. If she chains the goat to a metal hook in the center of her yard, what is the area of grass that the goat can reach to eat? (drawing a picture might help)

• 32.18 m²

• 28.26 m²

• 19.57 m²

• 9.42 m²

Tags

CCSS.7.G.B.4