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The circumference of a circular region with
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11 Jun 2023, 09:43
11 Jun 2023, 09:43
Expert Reply
00:00
Question Stats:
91% (00:29) correct
8% (00:24) wrong based on 12 sessions
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Quantity A |
Quantity B |
The circumference of a circular region with radius r |
The perimeter of a square with side r |
A Quantity A is greater.
B Quantity B is greater.
C The two quantities are equal.
D The relationship cannot be determined from the information given.
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Re: The circumference of a circular region with
[#permalink]
14 Jun 2023, 04:00
14 Jun 2023, 04:00
Expert Reply
OE
There is a variable in both quantities, so Plug In. Try r = 2. The circumference of a circle with radius 2 equals 4π ≈ 12, and the perimeter of a square with side 2 equals 4 × 2 = 8. Try r = 10. The circumference of a circle with radius 10 equals 20π ≈ 60, and the perimeter of a square with side 10 equals 4 × 10 = 40. Quantity A is greater than Quantity B, so the correct answer is (A).
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There is a variable in both quantities, so Plug In. Try r = 2. The circumference of a circle with radius 2 equals 4π ≈ 12, and the perimeter of a square with side 2 equals 4 × 2 = 8. Try r = 10. The circumference of a circle with radius 10 equals 20π ≈ 60, and the perimeter of a square with side 10 equals 4 × 10 = 40. Quantity A is greater than Quantity B, so the correct answer is (A).
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gmatclubot
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