TomMacdonald7
Answered

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HOW DO YOU FIND RADIUS

Sagot :

ronald11182006

Answer:

you can divide the diameter by 2 or divide the circumference by 2pi

Step-by-step explanation:

If the circumference of a circle is given:

  • Let the radius be r.
  • Say, that the circumference is given as C.
  • By using the formula,
  • [tex]2\pi \: r = C \\ = > r = \frac{C}{2\pi} [/tex]
  • So, to find radius of a circle when circumference is given, we have to divide the circumference with 2π. Then, we will get the radius of the circle.
  • Note : You have to consider π as 22/7 or 3.14. Or the value will be given in the question.

If the diameter of a circle is given:

  • Let the radius be r.
  • Let the diameter be D.
  • By using the formula,
  • 2r = D
  • [tex] = > r = \frac{D}{2} [/tex]
  • Hence, if the diameter of a circle is given, we have to just divide the diameter with 2. Then we will get the radius of the circle.

Hope you could get an idea from here.

Doubt clarification - use comment section.

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