8.1 Radius, Diameter, and Circumference ASSESSMENT

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

• Radius
• Diameter

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

• Radius
• Diameter

What is the measurement around the outside of a circle called?

• Diameter

• Circumference

• Radius

• Center

What is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

Tags

CCSS.7.G.B.4

What is the circle's radius?

• 6 ft

• 12 ft

• 24 ft

Tags

CCSS.7.G.B.4

What is the radius of a circle when the diameter is 70 m?

• 38

• 35

• 90

• 140

Tags

CCSS.7.G.B.4

What is the diameter of a circle when the measure of its radii is 24 m?

• 12

• 32

• 25

• 48

Tags

CCSS.7.G.B.4

Swimming from one side of this pool through the center to the other side is 12 feet. What is the radius of this pool?

• 32 ft

• 6 ft

• 4 ft

• 12 ft

Tags

CCSS.7.G.B.4

The diameter of this wheel is 32 in, how long is the radius?

• 64 in

• 18 in

• 16 in

• 8 iin

Tags

CCSS.7.G.B.4

What is the formula for finding the circumference of a circle?

• C = r²

• C = rd

• A = π·r²

• C = π·d

Tags

CCSS.7.G.B.4