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A square garden has an area of 49 ft2. To the nearest foot, what is the diagonal distance across the garden?
A. 8
B. 7
C. 10
D. 9
E. 11
Correct Answer: C
Explanation/Reference:
Explanation:
Since the garden is square, the two sides are equal to the square root of the area, making each side 7 feet. Then, using the Pythagorean Theorem, set up the equation 72 + 72 = the length of the diagonal squared. The length of the diagonalis the square root of 98, which is closest to 10.
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