Ken is thinking of a number. Nine more than the product of 4 and the number is 73. Find Ken number
1 answer:
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So firstly, we have to find the radius of the circular garden before finding the circumference (the amount of fencing needed to surround the garden). To find the radius, use the area formula (), plug in the area of the garden (36 ft^2) and solve for r as such:
So that we know the radius, plug that into the circumference equation () to solve:
Your answer is A. 12√π.