Radius Circumference and Diameter

Which of the following is true about the diameter of a circle?

• It is always half of the radius

• It is always twice the radius

• It is always equal to the circumference

• It is always twice the circumference

Tags

CCSS.HSG.C.A.2

Which of the following represents the formula for the circumference of a circle? (Select two)

Tags

CCSS.7.G.B.4

Could the following dimensions exist for a circle? Radius=8 and Diameter=12

• Yes

• No

The radius is the

• distance around the circle

• distance from the center to an edge of a circle

• distance across the circle through the center

• center of the circle

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm
• 43.96 cm
• 87.96 cm
• 7 cm

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 54 m?

• 339.12 m

• 169.56 m

• 84.78 m

• 108 m

Tags

CCSS.7.G.B.4

Determine the radius of the penny

• 59.66 mm
• 9.5 mm
• 38 mm
• 119.32 mm

Tags

CCSS.7.G.B.4

A circular swimming pool is 21 feet in diameter.

How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

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

What number is pi?

• 1.41

• 2.00

• 3.14

• 5.14

Tags

CCSS.HSG.GMD.A.1