SSAT Math Question 96: Answer and Explanation
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Question: 96
10. If the area of a square is equal to its perimeter, what is the length of one side of that square?
- A. 1
- B. 2
- C. 4
- D. 8
Correct Answer: C
Explanation:
The correct answer is (C). The perimeter of a square equals 4s. The area of a square equals s2. Setting them equal will determine the length of one side, s.
s2 = 4s
s = 4 or 0
Since it would make no sense for the length to be 0, the correct answer is 4.