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The area of a circle is 154 cm². What is the approximate perimeter of the circle?

A36 cm

B50 cm

C44 cm

D58 cm

Answer:

C. 44 cm

Read Explanation:

Area= πr² = 154 22/7 × r² = 154 r² = 154 × 7/22 = 49 r = √49 = 7 cm Perimeter = 2πr = 2 × 22/7 × 7 = 44 cm


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