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

What formula do you need to find the area of the base of a cone and cylinder?

• A= bh
• A= 1/2bh
• A=πr²
• V= Bh

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TEKS.MATH.7.9B

find the area of the circle below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

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TEKS.MATH.7.9B

what is the area of this semicircle ?
d = 8 cm 

• 100.48 cm²
• 80 cm²
• 200.96 cm²
• 25.12 cm²

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TEKS.MATH.7.9B

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

• 61.2325 cm ²

• 61.2 cm ²

• 195.9 cm ²

• 90.1 cm ²

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TEKS.MATH.7.9B

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

• 1582.8 cm ²

• 1476.4 cm ²

• 586.2 cm ²

• 602.5 cm ²

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TEKS.MATH.7.9B

What is the length L called?

• circumference

• tangent

• arc

• sector

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TEKS.MATH.7.9B

A wagon wheel has a diameter of 5 feet. What is the circumference of the wagon wheel to the nearest tenth of a foot?

Use 3.14 for 𝜋.

• 15.7 ft

• 31.4 ft

• 78.5 ft

• 314 ft

Tags

TEKS.MATH.7.9B

The formula for A = 3.14 r² can be used to determine the area of a circle, where A is the area and r is the distance from the center of the circle to the outside edge. If the area of a circular garden is 700 square feet, about how far is the distance from the center of the garden to the outside edge? Round to the nearest tenth.

• 14.9 feet

• ± 14.9 feet

• 26.5 feet

• ±26.5 feet

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TEKS.MATH.7.9B

The circumference of a circle is $36\pi$  units, what is the radius ?

• 19 units

• 13 units

• 36 units

• 18 units

Tags

TEKS.MATH.7.9B