Question

If the radius of the circle is 7cm then find the diameter and area of the circle.

Answer 1

d=2r

d=14cm

area =pi × r^2 = pi × 49

=49pi .

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Answer 2

Answer:

The radius of circle is r

r = 7 cm

Let d it's diameter

d = r × 2

d = 7 ×2

d = 14 cm

Area of circle = π r square

= 22/7 × 7 × 7

= 154 square cm

Therefore Area of Circle is 154 square cm.

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