TEKS.MATH.7.9B

Find the radius of a circle that has an area of 132.73 in². Round to the nearest tenth. 

• 6 in
• 6.4 in
• 6.49 in
• 6.5 in

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TEKS.MATH.7.9B

What is the radius?

• 18
• 72
• 38
• 14

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TEKS.MATH.7.9B

What is the diameter?

• 8
• 16
• 10
• 4

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TEKS.MATH.7.9B

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

• Diameter

• Radius

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TEKS.MATH.7.9B

Mary bought a circular rug for the living room.  The rug has a radius of 16 feet.  Which measurement is closest to the circumference of the rug in feet?

• 100.48 ft²
• 198.4 ft²
• 49.6 ft²
• 803.84 ft²

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TEKS.MATH.7.9B

What is the area of this circle?
d = 8cm

• 16π
• 8π
• 4π
• 36π

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TEKS.MATH.7.9B

Is this radius or diameter?

• Radius

• Diameter

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TEKS.MATH.7.9B

Calculate the area of the sector.

• 52.3 in²

• 18,864 in²

• 60 in2

• 10.47 in

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TEKS.MATH.7.9B

Isabella cut a circular piece of wood for a table top. The radius of the table top is 4 feet. What would the area of the table top to the nearest hundredth of a square foot?

Use 3.14 for 𝜋.

• 12.56 cm²

• 25.12 cm²

• 50.24 cm²

• 200.96 cm²

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TEKS.MATH.7.9B

A button has a radius of 5 millimeters. What is the circumference of the button rounded to the nearest tenth of a millimeter?

Use 3.14 for 𝜋.

• 7.9 mm

• 15.7 mm

• 31.4 mm

• 78.5 mm

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TEKS.MATH.7.9B