Module 1: Circumference practice

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

What two formulas can you use to find the circumference?

• C = π·d

• C = π·r²

• C = 2·π·r

• C = d²

Tags

CCSS.7.G.B.4

What is the circumference of a circle?

• the distance around a circle

• the area of a circle

• halfway through a circle

• a line through the center of a circle

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.C.B.5

What number represents π?

• 31.4

• 4.13

• 3.14

• 34.1

Tags

CCSS.HSG.GMD.A.1

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

If my diameter is 20 ft, what is my radius?

• 10 ft

• 5ft

• 62.8 ft

• 20 ft

Tags

CCSS.7.G.B.4

What is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Tags

CCSS.7.G.B.4

Find the circumference (to the nearest whole number)

• 88 in
• 44 in
• 116 square in
• None of the above

Tags

CCSS.7.G.B.4

Calculate the circumference. (use 3.14 for pi)

• 15.7 cm

• 62.8 cm

• 10 cm

• 31.4 cm

Tags

CCSS.7.G.B.4