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How do you work out the diameter AB of a circle?

Anonymous

∙ 13y ago

Updated: 4/28/2022

It depends on what information you do have. If you know the radius, simply double it.

Wiki User

∙ 13y ago

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Continue Learning about Other Math

Is a circle named by two points in the circle?

It is typically named using one point, which is the center. Sometimes, a circle could be referred to "a circle with diameter AB" in which two points are named. However, you need three non-collinear points to uniquely determine a circle.

Work out the perimeter of the semi-cirle when diameter is 15cm?

The perimeter of a full circle (circumference) is "pi" times the diameter. So the perimeter of a semi-circle will be half that; Perimeter = (pi/2) x (diameter).

Circumfrance of a 1.25 diameter?

To find the circumference of a circle, you have to multiply Pi and the Diameter. This means that to work out the answer you multiply Pi by 1.25. This equals 3.92699081, which rounded equals 3.93 (2dp) - the circumference of a circle with a 1.25 diameter.

What is half of a diameter of a circle?

The radius is half of the diameter of a circle.

If the diameter of a circle is 80 what is the circumference?

Diameter of a circle = circumference/pi

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