Circumference and Area of Circle

If the diameter of a circle is 4, what is the radius?

• 4

• 2π

• 4π

• 2

Tags

CCSS.7.G.B.4

If r = 4, d = ?

• 4

• 2

• 8

• 8π

Tags

CCSS.7.G.B.4

Find the circumference of the circle in the image.

• 10π

• 20π

• 100π

• 20

Tags

CCSS.7.G.B.4

What is the diameter of the circle in the image?

• 10

• 20π

• 20

• 100

Tags

CCSS.7.G.B.4

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

• 
• 

Tags

CCSS.7.G.B.4

What does π equal?

• 3

• 3.14

• 3.2

• 21/7

Tags

CCSS.HSG.GMD.A.1

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

• Diameter
• Radius

What is the area of this circle?

• 6082.12
• 1519.76
• 1893.14
• 1292.92

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 82.13
• 78.5
• 314.16
• 170.12

Tags

CCSS.7.G.B.4

The radius is 8 inches.  What is the circumference?

• 50.24 inches
• 25.12 inches
• 12.56 inches
• 200.96 inches

Tags

CCSS.7.G.B.4