Circle Parts and Formulas

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

CCSS.HSG.CO.A.1

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

Tags

CCSS.HSG.CO.A.1

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

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GMD.A.1

what is the formula for finding diameter

• r = 2 d

• d = 2 r

• a = m c²

• c = π 2 r

Tags

CCSS.HSG.GPE.A.1

what is the formula for finding radius

• c = π d

• c = 2 π r

• d = r/2

• r = d/2

Tags

CCSS.HSA.CED.A.4

CCSS.HSG.GPE.A.1

what is the formula for finding circumference

select ALL that apply

• c = π d

• c = 2 π r

• d = 2 r

• r = d/2

Tags

CCSS.HSG.GMD.A.1

which segment above represents the diameter

• BC

• AC

• BD

• LM

Tags

CCSS.HSG.C.A.2

which segment above represents the radius

• AC

• AB

• LM

Tags

CCSS.HSG.C.A.2

Find the radius of the circle

• 20 ft

• 10 ft

• 5.5 ft

• 10

Tags

CCSS.HSG.GPE.A.1

find the diameter of the circle

• 14 m

• 7 m

• 14

• 3.5 m

Tags

CCSS.7.G.B.4