Circle

The distance across a circle through its center is called the _____.

• diameter

• radius

• π

• center

If you are given the diameter, how can you calculate the radius?

• Multiply the diameter by 2

• Divide the diameter by 2

• Add 2 to the diameter

• Subtract 2 from the diameter

Tags

CCSS.7.G.B.4

Which segment is the diameter?

• AC

• BD

• LM

• CE

Which segment is a radius?

• LM

• DC

• BD

• ML

what is the formula for finding radius

• c = π d

• c = 2 π r

• d = r/2

• r = d/2

Tags

CCSS.7.G.B.4

which segment above represents the radius

• AC

• AB

• LM

find the radius of the circle

• 3 m

• 1.5 m

• 1.5

• 1.5 mm

Tags

CCSS.7.G.B.4

find the diameter of the circle

• 1 ft

• 4 ft

• 4 mm

• 2 ft

Tags

CCSS.7.G.B.4

What is the length of the radius of the Unit Circle?

• 1

• -1

• 2

• 1.5

Tags

CCSS.HSF.TF.A.2

• 2.356

• 5.236

• 5.498

• 5.760