If the diameter is 18 inches, the radius is 9 inches. The formula for circumference is 2*pi*r, so it would be 2*3.14*9, so the circumference is 56.52 inches. But rounded to the nearest inch, it is 57 inches.
Answer:
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Step-by-step explanation:
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11 * 6.5 = 71.5
<span>15 - 71.5 = -56.5</span>
If two lines are parallel and a transversal passes through them , then alternate interior angles are equal.
So here we have
3x+15=5x-5
5x-3x=15+5
2x=20
x=20/2=10
so option A . 10 is correct
