Area of Circles. Warm Up Cut out your circle.

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Area of Circles

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Transcript of Area of Circles. Warm Up Cut out your circle.

Page 1: Area of Circles. Warm Up Cut out your circle.

Area of Circles

Page 2: Area of Circles. Warm Up Cut out your circle.

Warm Up

Page 3: Area of Circles. Warm Up Cut out your circle.

Cut out your circle.

Page 4: Area of Circles. Warm Up Cut out your circle.
Page 5: Area of Circles. Warm Up Cut out your circle.
Page 6: Area of Circles. Warm Up Cut out your circle.

A biscuit recipe calls for the dough to be rolled out and circles to be cut from the dough. The biscuit cutter has a radius of 4 cm. Find the area of the top of the biscuit

once it is cut. Use 3.14 for π.

Page 7: Area of Circles. Warm Up Cut out your circle.
Page 8: Area of Circles. Warm Up Cut out your circle.

• Compare finding the area of a circle when given the radius with finding the area when given the diameter.

• Why do you evaluate the power in the equation before multiplying by pi?

Page 9: Area of Circles. Warm Up Cut out your circle.

A circular pool has a radius of 10 feet. What is the area of the

surface of the water in the pool? Use 3.14 for π.

Page 10: Area of Circles. Warm Up Cut out your circle.
Page 11: Area of Circles. Warm Up Cut out your circle.
Page 12: Area of Circles. Warm Up Cut out your circle.

Does this formula work for a circle with a radius of 3 inches?

Show your work.


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