Circles

If my circumference is 37.68cm, what is my diameter?

• 12cm
• 118.3152cm
• 6cm
• 37.68cm

What is the circumference?

• 36
• 18pi
• 108pi
• 36pi

Determine the radius of the penny

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

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

What is the formula for area of a circle given the radius?

• A = πr
• A = 2πr
• A = πd
• A = πr²

A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates once? What is the circumference of this tire?

• 81
• 15.5
• 27
• 13

If the diameter of a circle is 50 cm, the radius is 100 cm.

• TRUE
• FALSE

Tags

CCSS.7.G.B.4

What is the diameter?

• 6.5
• 15
• 26
• 78

Tags

CCSS.7.G.B.4

A circle has a circumference of 219.8 m. What is approximate diameter of the circle?

• 35 m
• 30 m
• 70 m

Tags

CCSS.7.G.B.4

Find the circumference of the entire circle

• 69.08M
• 34.54M
• 379,84N
• 22M