The circumference of a circle is 31.4cm.find the radius and the area of the circle. Take π=3.14 *
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6
Answer:
area of circle= 3.14 × r^2
circumference = 2×3.14×r.
2×3.14×r=31.4
6.28×r=31.4
r=31.4/6.28
r=5
area=3.14× 5^2
3.14×25
area=78.5m^2
Answered by
4
Answer:
78.5 m^2......
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