Circle- Circumference and Area

What is the diameter of this circle?

• 3.5
• 6.5
• 6
• 7

Tags

CCSS.7.G.B.4

 $C=2\pi r$  

Find the circumference of the circle

• 21.98

• 153.86

• 43.96

Tags

CCSS.7.G.B.4

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

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

 $C=2\pi r$ 

 What is the circumference of the circle?

• 69.08

• 138.16

• 1893.14

Tags

CCSS.7.G.B.4

 $A=\pi r^2$  

What is the area of the circle?

• 15.7 cm²

• 78.5 cm²

• 31.4 cm²

Tags

CCSS.7.G.B.4

 $C=\pi d$  

What is the circumference of the circle?

• 25.12 in.

• 12.56 in.

• 50.24 in.

Tags

CCSS.7.G.B.4

 $A=\pi r^2$  

What is the area of this circle?

• 1385.44

• 2142.12

• 5541.77

Tags

CCSS.7.G.B.4

 $C=\pi d$  

What is the circumference of the circle?

• 30

• 120

• 94.2

Tags

CCSS.7.G.B.4