Circles Terms or Pi

How do you find the area of a circle?

Tags

CCSS.7.G.B.4

A bicycle tire has a diameter of 27 inches. What is the radius?

• 27pi

• 13.5

• 81

• 25pi

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

The distance around a circle; much like the perimeter of a rectangle.

• perimeter

• diameter

• circumference

• radius

What is the perimeter of the semi-circle?

• 11 yd

• 17.27 yd

• 34.54 yd

• 28.27 yd

Tags

CCSS.7.G.B.4

True or False: The radius goes half way across the circle

• False

• True

If you fold a circle in half, what shape have you created?

• Quarter circle

• Semi-circle

• a taco

• another circle

Tags

CCSS.HSG.CO.A.1

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 circumference of a circle with a radius of 5 in terms of π ?

• 5 π square units

• 10 π square units

• 25 π square units

• 50 π square units

Tags

CCSS.7.G.B.4

When is pi used?

• unlock your locker

• to find your way home

• area of a circle

• tangent of a rectangle

Tags

CCSS.7.G.B.4