Circle Circumference

What is the radius?

• 18

• 72

• 38

• 14

Tags

CCSS.7.G.B.4

What is the radius?

• 28

• 15

• 26

• 13

Tags

CCSS.7.G.B.4

What is the diameter?

• 6.5

• 15

• 26

• 78

Tags

CCSS.7.G.B.4

After taking part in a competition, Yahir received a bronze medal with a radius of 2.5 inches. What is the medal's diameter?

• 2.5 in

• 5 in

• 4 in

• 4.5 in

Tags

CCSS.7.G.B.4

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

Tags

CCSS.7.G.B.4

What is the perimeter of this semi circle? (Use 3.14 = π and round to the nearest tenths place)

• 18.5

• 11.3

• 20.3

• 22.6

Tags

CCSS.3.MD.D.8

A circular window has a diameter of 24 inches.  A piece of metal is to go around the window for a frame. How long does the metal need to be? (Best Choice)

• 24π or about 75.36 in

• 12π or about 37.68 

• 576π or about 1,808.64 in

• 144π or about 452.16 in 

Tags

CCSS.7.G.B.4

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

Tags

CCSS.7.G.B.4

A Circle has a diameter of 10 centimeters.  What is the circumference of the circle? (Best Choice)

• 5π or about 15.7 cm

• 10π or about 31.4 cm

• 20π or about 62.8 cm

• 100π or about 314 cm 

Tags

CCSS.7.G.B.4

A Circle has a diameter of 18 meters.  What is the circumference of the circle? (Best Choice)

• 9π or about 28.26 m

• 18π or about 56.52 m

• 81π or about 254.34m

• 324π or about 1017.36 m 

Tags

CCSS.7.G.B.4