Question

Find the radius and diameter of the following circles = 2750 sq.cm​

Answer 1

Step-by-step explanation:

Area of a circle=πr

2

⇒πr

2

=176sq.cm

⇒

7

22

×r

2

=176sq.cm

⇒r

2

=176×

22

7

=56cm

⇒r=

56

=

4×14

=2

14

cm.

∴ Diameter=2r=2×2

14

=4

14

cm.

Answer 2

Step-by-step explanation:

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