Measuring Circles

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

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CCSS.6.EE.B.5

CCSS.6.EE.B.7

CCSS.6.NS.A.1

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

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CCSS.7.G.B.4

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft
• 42 ft
• 65.94 ft
• 131.95 ft

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CCSS.HSG.GMD.A.1

The diameter of a circle is:

• The measurement around the circle.
• The distance from an edge of a circle to another edge.
• The distance from the center of the circle to an edge of a circle
• The distance from an edge of a circle to another edge through the center. 

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CCSS.HSG.C.A.2

A circle has a radius of 17 inches. What is the circumference?

• 106.76 inches

• 53.38 inches

• 907.46 inches

• 34 inches

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CCSS.HSG.GMD.A.1

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

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CCSS.HSG.GMD.A.1

What is the area of this circle?

• 15393.8
• 1248.12
• 5930.12
• 3848.45

Tags

CCSS.HSG.GMD.A.1

What is the radius?

• 8''
• 4''
• 12.56''
• 25.12

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CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

CCSS.HSG.GPE.A.1

The circumference is 12pi feet.  What is the radius?

• 12 feet
• 6 feet
• 37.68 feet
• 18.84 feet

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CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.4

CCSS.HSG.GMD.A.1

The radius is 21 inches.  What is the circumference?

• 65.94 inches
• 21pi inches
• 42pi inches
• 32.97 inches

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CCSS.HSG.GMD.A.1