Math, asked by kamaleshkmr, 4 months ago

draw a circle of 5 cm radius on a graph sheet count the square and estimate the area of circular region

Answers

Answered by avniverma75
2

Answer:

Answer

Area of new circle = Area of the ring formed

⇒πR

2

=π(5)

2

−π(3)

2

=25π−9π

=16π,

where R is the radius of the new circle

⇒R

2

=16⇒R=4 cm

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