Find the area of a quadarant whose radius is4.2cm
Answers
Answered by
2
Answer:
Solution
We know that,
Area of circle=πr
2
=
7
22
×4.2×4.2
=
100
22×6×42
=
100
5544
=55.44cm
2
Hence,
We get 55.44cm
2
.
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