TEKS.MATH.7.9B

Hannah drew a circle with a radius of 30 cm. Jonas drew a circle with a radius of 20 cm. What is the approximate difference in the areas of their circles?

• 2,826 cm²
• 1,570 cm²
• 1,256 cm²
• 314 cm²

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TEKS.MATH.7.9B

What is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

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TEKS.MATH.7.9B

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm
• 43.98 cm
• 87.96 cm
• 7 cm

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TEKS.MATH.7.9B

A DVD has a diameter of 15 millimeters. What is the circumference?

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

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TEKS.MATH.7.9B

Which expression represents the area?

• 6x + 3
• 8x + 12
• 8x² + 12
• 8x + 3

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TEKS.MATH.7.9B

Find the circumference of a circle with a radius of 12.5 mm. Round to nearest hundredth. Don't forget to label.

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TEKS.MATH.7.9B

What is the circle's area?

• $8\pi$

• $16\pi$

• $256\pi$

• $64\pi$

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TEKS.MATH.7.9B

Find the circumference, rounding your answer to 1 decimal place.

• 34.9mm

• 31.4mm

• 34.5mm

• 17.3mm

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TEKS.MATH.7.9B

Find the circumference of the circle.

• 14.13 cm

• 63.56 cm

• 28.26 cm

• 127.17 cm

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TEKS.MATH.7.9B

What is the area of this circle?

• 50.27
• 78.23
• 98.12
• 201.06

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TEKS.MATH.7.9B