How to Find the Radius from the Diameter

Finding the Radius from the Diameter

The radius of a circle is half of the diameter.

How to Find the Radius from the Diameter

Finding the radius from the diameter is easy.

Question

What is the radius of the circle, with diameter 10 cm, below?

Step-by-Step:

1

Divide the diameter, 10 cm, by 2.

10 ÷ 2 = 5 cm

Answer:

The radius of the circle is 5 cm.

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See Also

What is the radius? What is a circle? What is the diameter? Finding the area of a circle Finding the area of a circle using the diameter Find the radius from the diameter of a circle ( interactive widget)