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What is the rule for finding the radius when you have diameter?

Anonymous

∙ 15y ago

Updated: 8/18/2019

The radius is 1/2 of the diameter.

Wiki User

∙ 15y ago

What else can I help you with?

Related Questions

What is a rule for finding the radius of a circle when you know the diameter?

Help i dont know

What are the formulas for finding the circumference diameter and radius?

circumference: Pi(3.14) x radius squared Diameter: radius squared radius: diameter divided by 2

If 2.5 is the diameter then what is the radius?

Radius is 1/2 of a diameter. 2.5/2 is 1.25. Radius is necessary in finding the circumference and area of a circle.

What is the formula of finding the radius of a sphere?

diameter/2

If the diameter of a circle is 36 what is the radius?

The radius of a circle is always half of the diameter. Therefore, if the diameter of a circle is 36 units, the radius would be half of 36, which is 18 units. The formula for finding the radius from the diameter is radius = diameter / 2. So, in this case, the radius would be 18 units.

What is the formula for finding the radius when you only have a diameter?

diamter=2xradius, so if you have the diameter, divide by 2 and you have the radius. r=d/2

Why is it so important to know the circumference of a circle when finding the surface area of a cylinder?

It is not. Knowing its radius or diameter will do just as well.It is not. Knowing its radius or diameter will do just as well.It is not. Knowing its radius or diameter will do just as well.It is not. Knowing its radius or diameter will do just as well.

What is the formula for finding the distance around A semicircle?

It is: (pi*radius)+(diameter)

How do you find a diameter of a circle?

If you have the circumference: circumference = (pi) * diameter diameter = circumference / (pi) If you have the area: area = (pi) * radius * radius radius = square_root(area / pi) radius = diameter / 2 diameter = 2 * square_root(area / pi)

What is the formula for finding diameter when given the area?

Assuming you mean a circle, use the formula for the area of a circle, which is usually expressed in terms of the radius, and solve for the radius. Then you can multiply that by two to get the diameter, since the diameter is twice the radius.

What is the formula for finding the diameter of a circle?

two times the radius (d=2r)

What is the formula for finding the circumferance of a circle?

Either pi times the diameter or pi times twice the radius (which is the diameter)

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