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22 March, 19:00

How do you find diameter and radius of circles?

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Answers (2)
  1. 22 March, 20:06
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    The area of a circle can be found by multiplying pi (π = 3.14) by the square of the radius.

    If a circle has a radius of 4, its area is 3.14*4*4=50.24.

    If you know the diameter, the radius is 1/2 as large.
  2. 22 March, 20:33
    0
    Step-by-step explanation:

    if area is given then

    area=πr²

    r=√ (π/area)

    d=2r
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