the diameter of a circle is 20 cm find the circumference and its area
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Answered by
5
Answer:
Diameter:- 20cm
Radius = 10cm
circumference:- 2πr
= 2×22/7× 10
= 88/7cm
Area = πr²
= 22/7×10×10
=2200/7cm²
Answered by
2
Step-by-step explanation:
radius= 20/2=10 cm
Circumference of circle= 2πr
= 2x22/7x10
= 440/7 =62.857.. cm
Area of circle = πr²
=22/7x10x10
=314.285.. cm²
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