Unit 8 Review

A circle has a radius of 5 cm and center B. Which is a true statement about circle B?

• all points are located 10 cm from point B

• all points are located 5 cm from point B

• all points are located 25 cm from point B

• all points are located 2.5 cm from point B

Tags

CCSS.7.G.B.4

Sarah has a coin with a triangle in the middle of it. Which measurement is closes to the area in square centimeters of the coin not covered by the triangle?

The circumference of a circle is 25 centimeters. Which is the closest to the measurement of the radius?

• 7.96 cm

• 3.98 cm

• 12.5 cm

• 2.54 cm

Tags

CCSS.7.G.B.4

Brittany designed a heart using semi-circles and a square. What is the area of the heart she created?

A circular garden has a diameter of 8 feet. How much fencing is needed to fence in the garden?

• 50.24 feet 

•  25.12 feet

• 12.56 feet

• 200.96 feet

Tags

CCSS.7.G.B.4

A circle with a radius of 8 cm is inscribed in a square. What is the area of the shaded region?

• 64 cm squared

• 200.96 cm squared

• 256 cm squared

• 55.04 cm squared

A circle has a radius of 12 inches. Which expression can be used to find the circumference of the circle?

Tags

CCSS.7.G.B.4

The circumference of a circle is 74.5 inches. What is the diameter of the circle?

• 23.73 inches

• 37.25 inches

• 11.86 inches

• 42.86 inches

Tags

CCSS.7.G.B.4

A hot tub in the shape of a circle has a diameter of 10 feet. What is the area of the top of the hot tub?

• 314 feet squared

• 78.5 feet squared

• 31.4 feet squared

• 15.7 feet squared

Tags

CCSS.7.G.B.4