TEKS.MATH.7.9B

what is the area of this semicircle ?

• 100.48cm²
• 80cm²
• 200.96cm²
• none of the above

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TEKS.MATH.7.9B

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft
• 42 ft
• 65.94 ft
• 131.95 ft

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TEKS.MATH.7.9B

A Circle has a radius of 6 inches.  What is the circumference of the circle? (Best Choice)

• 3π or about 9.42 in
• 6π or about 18.84 in
• 12π or about 37.68 in
• 36π or about 113.04 in 

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TEKS.MATH.7.9B

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π

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TEKS.MATH.7.9B

A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock?

• 86.70 meters
• 76.66 meters
• 66.66 meters
• 96.66 meters

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TEKS.MATH.7.9B

Is this Radius or Diameter?

• Radius

• Diameter

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TEKS.MATH.7.9B

What is the radius?

• 11 in

• 22 in

• 44 in

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TEKS.MATH.7.9B

Find the circumference with a radius of 9 mi. Use 3.14 for pi.

• 59.1 mi

• 113 mi

• 26.6 mi

• 56.5 mi

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TEKS.MATH.7.9B

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

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TEKS.MATH.7.9B

Calculate the length of the bold arc.

• 61.3 ft

• 20.4 ft

• 7351.3 ft

• 22,068 ft

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TEKS.MATH.7.9B