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Given the area of the three squares, find the perimeter of ABC.
A. 12
B. 12.5
C. 19.5
D. 20
E. 25
Correct Answer: A
Explanation/Reference:
Explanation:
The length of one side of a square is equal to the square root of the area of the square. Since the area of the squares is 9, 16, and 25, the lengths of the sides of the squares are 3, 4, and 5, respectively. The triangle is formed by the sides of the three squares; therefore, the perimeter, or distance around the triangle, is 3 + 4 + 5 = 12.
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