7th Grade - Chapter 8 - Chapter Review

What is the formula for circumference of a circle given the diameter?

• C = π r

• C = 2 π r

• C = π d

• C = 2 π d

Which of the following names a diameter?

• segment AC

• segment DB

• segment AB

• segment BC

• segment CA

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segment BC

• segment CD

What is circumference?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

Tags

CCSS.7.G.B.4

What is the area of a circle?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6

Find the area of the circle

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

• 28.26 in²

What is the area of a circle with the diameter of 10cm ?

• 66 cm²

• 78.5 cm²

• 66.5 cm²

• 10 cm²

• 314 cm²

Find the area of the circle below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

• 113.04 cm²

What is the diameter of this circle?

• 3.5 m

• 3 m

• 5 m

• 7 m

• 1.75 m

What is the radius of this circle?

• 12 cm

• 6 cm

• 24 cm

• 3 cm

• 1.5 cm