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Problem 5 - Olympiad
A wire bent into a circle of radius 14 cm is rebent into a square. What is the area of the square?
A. 3025 cm²
B. 1225 cm²
C. 196 cm²
D. 484 cm²
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Correct: D
Circumference of circle = 2πr = 2×22/7×14 = 88 cm. Side of square = 88/4 = 22 cm. Area = 22² = 484 cm².