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Area of Circles

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.

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Area of Circles

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  1. Area of Circles

  2. Warm Up

  3. Cut out your circle.

  4. 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.

  5. 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?

  6. 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.

  7. Does this formula work for a circle with a radius of 3 inches?Show your work.

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