Assignment - 7th Grade - Introduction to Circles

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.7.G.B.4

What is the formula for finding diameter?

• r = 2 d

• d = 2 r

• a = m c²

• c = π 2 r

What is the formula for finding radius?

• c = π d

• c = 2 π r

• $d\ =\ r\ \div\ 2$

• $r\ =\ d\ \div2$

Tags

CCSS.HSG.C.B.5

CCSS.HSG.GPE.A.1

Find the radius of the circle

• 20 ft

• 10 ft

• 5.5 ft

• 10 inches

Tags

CCSS.HSG.GMD.A.1

find the diameter of the circle

• 14 m

• 7 m

• 14 yds

• 3.5 m

Tags

CCSS.7.G.B.4

find the radius of the circle

• 3 m

• 1.5 m

• 1.5 in

• 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

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2