Circles and Circumference and Pi

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

What is the correct set up to find the circumference of the circle?

Tags

CCSS.7.G.B.4

What is the circumference of this circle?

• 50

• 25

• 125

Tags

CCSS.7.G.B.4

What is the correct setup to find the circumference of the circle above?

Tags

CCSS.7.G.B.4

What is the circumference of the circle?

• 44

• 22

• 88

Tags

CCSS.7.G.B.4

If a circle has a radius of 15, what is the length of the diameter?

• 47

• 7.5

• 30

Tags

CCSS.7.G.B.4

What is the radius, if a diameter is 18?

• 36

• 9

• 57

Tags

CCSS.7.G.B.4

The circular fountain in front of the library has a radius of 8.8 feet. What is the circumference of the fountain to the nearest tenth?

• 55.3 ft

• 26.4 ft

• 48.8 ft

• 27.6 ft

Tags

CCSS.7.G.B.4

What is circumference?

• The distance around a circle.

• The space inside the circle.

• The length of the straight line segment that passes through the center of the circle and whose endpoints lie on the circle.

• The line from the center of a circle to any point on its edge.

Find the circumference of the circle

• 87.82in

• 153.86in

• 43.96in

• 307.72in

Tags

CCSS.7.G.B.4