Find the approximate area of a circle whose circumference is about 31.4 centimeters.
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circumference = 31.4
so, 31.4 = 2*3.14*radius
31.4 = 6.28*radius
5 cm = radius
now area = 3.14*5*5 = 78.5 cm sq.
so, 31.4 = 2*3.14*radius
31.4 = 6.28*radius
5 cm = radius
now area = 3.14*5*5 = 78.5 cm sq.
Answered by
2
Answer:
circumference = 31.4
so, 31.4 = 2*3.14*radius
31.4 = 6.28*radius
5 cm = radius
now area = 3.14*5*5 = 78.5 cm sq
Step-by-step explanation:
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