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?

• 8322.13
• 1134.11
• 4536.46
• 1267.09

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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

What is the circumference?

• 36
• 18π
• 108π
• 36π

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TEKS.MATH.7.9B

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 
• 9.42 m
• 12 m
• 18.84 m

Tags

TEKS.MATH.7.9B

Find the circumference with a radius of 10 cm. Use 3.14 for pi.

• 68.4 cm

• 62.8 cm

• 65.3 cm

• 72.2 cm

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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

Tags

TEKS.MATH.7.9B

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

• A = π·d

• C = 2·π·r

• A = π·r²

• C = π·d

Tags

TEKS.MATH.7.9B

What is the circumference?

• 50.24

• 96

• 24

• 16

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TEKS.MATH.7.9B

Find Circumference. Round to the nearest hundredths.

• 40.69 yd

• 5.65 yd

• 11.30 yd

• 22.61 yd

Tags

TEKS.MATH.7.9B