Find Circumference

The definition of radius is

• distance from one point to another point

• distance around the circle

• distance from the center to any point on the circle

• distance across the circle through the center

Tags

CCSS.HSG.C.A.2

The definition of diameter is

• distance from the center of any point on the circle

• distance across the circle through the center

• distance from one point to another

• distance around the circle

The definition of circumference is

• distance from the center of any point on the circle

• distance from one point to another

• distance around the circle

• distance from the center of any point on the circle

What is the formula for the circumference of a circle?

• C = 2 x π x r

• C = π x D

• C = π x r²

• C = r² x D

Tags

CCSS.7.G.B.4

Which segment above represents the diameter?

• BC

• AC

• BD

• LM

Which segment above represents the radius?

• AC

• AB

• LM

• CE

If a Circle has a radius of 3 cm and a diameter of 6cm , what is the circumference of the circle? 

• 9.42 cm
• 18.84 cm

• 37.68 cm

• 15.84 cm

Tags

CCSS.7.G.B.4

A circle has a radius of 150 mm. What is it's circumference? (to the nearest mm)

• 471 mm
• 942 mm
• 477 mm

• 943 mm

Tags

CCSS.7.G.B.4