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Sheldon cuts a circle with a diameter of 14 centimeters from a square piece of felt 15 inches on each side. In terms of pi, how much felt is left over?
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Verified Answer :

wolf1728

The entire area of the felt is 15 x 15 = 225 square inches
The circle cut from the felt =
circle area = PI radius^2
circle area = PI 7^2
circle area = 49 PI
49 PI =



153.94
Left over felt 225 -153.94 = 71.06

15 x 15 = 225 square inches
The circle cut from the felt
= PI radius^2
= PI 7^2
= 49 PI
49 PI = 153.94
225 -153.94 = 71.06
71.06 felt is left over

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