Circumference and Area of Circles and Other Composite Figures

Which expression could be used to find the approximate circumference of the quilt piece?

• 2(16)π

• 2(8)π

• 2(8)

• 8π

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 12.7 m? 

• 79.76 m

• 80.34 m

• 14.56 m

• 80.00 m

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a diameter of 92 in?

• 288.9 in

• 176.8 in

• 165.8 in

• 186.8 in

Tags

CCSS.7.G.B.4

A circle has a circumference of 4.71 inches. What is the diameter of the circle?

• 5 inches

• 14.79 inches

• 2.355 inches

• 3 inches

Tags

CCSS.7.G.B.4

Find the area of the circle.

• 56.52 in squared

• 254.34 in squared

• 1017.36 in squared

• 113.04 in squared

Tags

CCSS.7.G.B.4

A circle has a radius of 4 inches. What is the diameter?

• 2 inches

• 8 inches

• 12.56 inches

• 6.28 inches

Tags

CCSS.7.G.B.4

Which line segment is half the length of the diameter AD?

• BD

• BC

• AE

• DA

Tags

CCSS.HSG.C.A.2

What does "circumference" mean?

• Space a circle takes up

• Distance around a circle

• Line from one edge of a circle to another

• Line from center of circle to edge

What is the formula to find the area of a circle?

• πr²

• 2πr

• √π

• πd

Tags

CCSS.7.G.B.4

What is the diameter?

• 6 in

• 12 in 

• 25 in 

• 39 in 

Tags

CCSS.7.G.B.4