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The radius of a circle is always PRECISELY one half its diameter.

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Q: The diameter of a cirle is 127mm What is the length of theradius?

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Yes.

8

The area of a cirle is: PI * r2 Where "r" is the radius, and PI is approximately 3.14. Hint: A radius is half of the diameter.

The area is 346.639 cm2

cube

Related questions

the radius of a cirle is what percent of the diameter

circumference = pi*diameter

Yes.

Four - Diameter is the length of the circle, one end to the other through the cirle, while radiusis from the middle of the circle , out. Hence Being half. s :)

4 inches. The radius is half of the diameter

5.9723 inch

The cicumference of any circle divided by its diameter is aways equal to pi.

16 pi = almost exactly 50¼

circumference of a circle = 2*pi*radius or pi*diameter

You must find the circumference. First measure a line through the cirle. Then that is the diameter then multiply the diameter by 3.14 then you have the area! Hope that helped!

8

Area of a circle is pi r^2 diameter is twice the radius. 3.14*8*8=64*pi or approximately 200.96

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