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Q: Calculating radius and diameter

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divide diameter by 2

Radius is half of the diameter. So radius2 means rxr.

In a semicircle, the diameter is the straight line. It is also equal to double the radius, and that property allows it to be used when calculating area and circumference.

Calculating the radius of dish end size from the pressure vessel diameter is easy. All you have to do is add the blank radius by scaling the drawing from the side and you add five percent.

[2 x pie x radius] or [pie x diameter]

2,,r or ,,d 2x pi x radius or Pi x Diameter

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

to get the diameter from the radius you simply multiply the radius by 2 since the radius is half the diameter. d=2r where d = diameter and r = radius

radius = diameter/2

A radius is one half of a diameter so divide by two to get from a diameter to a radius. Or you can multiply the radius by 2 to get to the diameter.

The length of a radius is not the length of a diameter. The diameter is two times the length of the radius.

A radius is half of a diameter. Example Diameter:4 Radius:2

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