Area of circles

Area of circles

Multiple Choice

QUICK CHECK:

12 inches in this circle represents its

• radius

• diameter

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14cm in the circle represents its

• radius

• diameter

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Find the circumference of the circle

• 50.24 yd

• 25.12 yd

• 11.14 yd

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QUICK CHECK:

Find the circumference of the circle

• 18.84 cm

• 75.36 cm

• 37.68 cm

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What does the Area of a circle mean?

• is the region occupied by the circle in a two-dimensional plane.

• is 3D and the measure of the amount of space occupied by that object.

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What is the radius of this circle?

• 12 cm

• 6 cm

• 24 cm

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What is the area of this circle?

• 163.2 cm²

• 15.3 cm²

• 124.2 cm²

• 113.1 cm²

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What is the area of this circle?

• 1385.44 cm²

• 2142.12 cm²

• 5541.77 cm²

• 1289.12 cm²

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What is the area of this circle?

• 6082.12 cm²

• 1520.53 cm²

• 1893.14 cm²

• 1292.92 cm²

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What is the area of this circle?

• 62.59 cm²

• 113.1 cm²

• 19.81 cm²

• 28.27 cm²

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What is the area of this circle?

• 50.27 cm²

• 78.23 cm²

• 98.12 cm²

• 201.06 cm²

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what is the area of a circle with a diameter of 16 cm?

• 66 cm²

• 200.96 cm²

• 66.5 cm²

• 10 cm²

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what is the area of a circle with a diameter of 10cm?

• 66 cm²

• 78.5 cm²

• 66.5 cm²

• 10 cm²

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What is the area of a circle with a diameter of 10cm?

• 66 cm²

• 78.5 cm²

• 66.5 cm²

• 10 cm²

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What is the area of this circle?

d = 8cm

• 16π cm²

• 8π cm²

• 4π cm²

• 36π cm²

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What is the area of this circle?

d = 8cm

• 50.26 cm²

• 25.13 cm²

• 12.56 cm²

• 113.1 cm²

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what is the area of this semicircle?

d = 8 cm

• 100.48 cm²

• 80 cm²

• 200.96 cm²

• 25.12 cm²