find the radius and diameter of the circle given the area 55.44 cm
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1
Answer:
26.4m
Step-by-step explanation:
As we know that,
Area of circle =πr
2
Area of circle =55.44m
2
(Given)
∴πr
2
=55.44
⇒r
2
=55.44×
22
7
⇒r=
2.52×7
⇒r=
17.64
=4.2m
Therefore,
Circumference of circle =2πr
=2×
7
22
×4.2
=26.4m
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