A circular clock with a circumference of 78.5 cm is attached on a wall. How much area of the wall did it occupy?
A. 490.5 cm²
B. 490.63 cm²
C. 495.62 cm²
D. 496.5 cm²
A. 490.5 cm²
B. 490.63 cm²
C. 495.62 cm²
D. 496.5 cm²
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Answer:
A= 2xπxr
A=2 x 3.14 x 78.5
A=6.28 x 78.5
A=492.98cm²
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