How many integers from 0 through 30, including 0 and 30, must you pick to be sure of getting at least one integer?
1 answer:
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Area of the small circle = r
= 3.14 x 7
= 153.86
Area of the big circle = R
=3.14 x 14
= 615.44
The shaded area = area of the big circle - area of 2 small circle = 615.44-2x153.84≅308
The answer is 308