Find the circumference of a circle that has an area of 452.16 square meters. (Use 3.1416 as the value of π.) A. 24 meters B. 37.
6992 meters C. 12 meters D. 75.3984 meters
2 answers:
Area = π.R² AND CIRCUMFERENCE = 2π.R
Let's calculate R (radius):
452.16 = π.R² → R² = 452.16/π → R² = 143.92 And R = √143.92 →R = 12 m
CIRCUMFERENCE = 2π.R = 2π.12 = 24 π = 75.39 84 (Answer D)
your answer is 75.3984
i just took the test
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