TEKS.MATH.7.9B

What is the circumference?

• 36
• 18pi
• 108pi
• 36pi

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TEKS.MATH.7.9B

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = 15π
• C = 2π15
• c = 15 ÷ π
• c = 15 π

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TEKS.MATH.7.9B

What is the area of this circle?

• 452.39
• 139.12
• 113.1
• 84.23

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TEKS.MATH.7.9B

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = 15π
• C = 2π15
• c = 15 ÷ π
• c = 15 π

Tags

TEKS.MATH.7.9B

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

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TEKS.MATH.7.9B

The diagram shows the spot on a basketball court called the “key”. What is the area of the key? Use 3.14 for ∏ .

• 284.52 ft2
• 228 ft2
• 317 ft2
• 116.71 ft2

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TEKS.MATH.7.9B

The area of a trampoline is 78.5 ft². Find the radius of the trampoline.

• 7 ft
• 5 ft
• 10 ft
• 25 ft

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TEKS.MATH.7.9B

Calculate the area. Use 3.14 for pi. Round to the nearest tenth if needed.

• 245.6 m ²

• 223.4 m ²

• 242.2 m ²

• 345.9 m ²

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TEKS.MATH.7.9B

What is the area of this circle?

• 50.27 cm²

• 78.23 cm²

• 98.12 cm²

• 201.06 cm²

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TEKS.MATH.7.9B

The diameter of the wheel on Wade's El Camino is 15 inches. If the wheel made 5 complete revolutions, how far would the wheel have rolled?

Round your answer to the nearest hundredth of an inch.

Use 3.14 for 𝜋.

• 23.55 in

• 47.10 in

• 117.75 in

• 235.50 in

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TEKS.MATH.7.9B