TEKS.MATH.7.9B

How do you find the radius?

• π*2
• d/2
• π*r
• I do not know

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TEKS.MATH.7.9B

Find the circumference of a circle with diameter = 10 ft

• 3.14 ft
• 31.4 ft
• 314.1 ft
• 62.8 ft

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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 area?

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²

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TEKS.MATH.7.9B

A circle has a radius of 9 inches.  What is the area of the circle?

• 28.26 in²
• 56.52 in²
• 127.14 in²
• 254.34 in²

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TEKS.MATH.7.9B

Find the circumference (to the nearest whole number)

• 88 in
• 44 in
• 116 square in
• None of the above

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TEKS.MATH.7.9B

What is the circumference of the following shape? (use an approximate value)

• 452.39 yd
• 18.85 yd
• 37.70 yd
• 113.10 yd

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TEKS.MATH.7.9B

The homeowners association wants to enclose a circular playground in a fence. The need to find the amount of fencing they need to purchase.  Will they need the area or circumference of the playground?

• area
• circumference
• neither

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TEKS.MATH.7.9B

What is the formula for the circumference of a circle?

• C=2πr2

• C= π

• C=πr2

• C=πd

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TEKS.MATH.7.9B

The distance around a circular track is 31.4 yards. What Is the radius of the track? Round to the nearest hundredth. Don't forget to label.

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TEKS.MATH.7.9B

A circular track with a diameter of 60 meters is shown. Shaleah walked around the track 4 times. Approximately how many meters did she walk?

• 377

• 2826

• 754

• 11,304

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TEKS.MATH.7.9B