Circles & Composite Figures

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

A line that goes from one end of the circle to the other and crosses the center point.  

• pi
• diameter
• circumference
• radius

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

• BD
• BC
• AE
• DA

Tags

CCSS.HSG.C.A.2

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

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

Tags

CCSS.7.G.B.4

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

• 1.5 inches
• 14.79 inches
• 2.355 inches
• 3 inches

Tags

CCSS.7.G.B.4

Find the area of the circle with radius 3 cm.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

Tags

CCSS.7.G.B.4

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

• πr²
• 2πr
• √π
• πd

Tags

CCSS.7.G.B.4