Equation for the radius

Anonymous

∙ 8y ago

Updated: 8/21/2019

D/2=r

Wiki User

∙ 8y ago

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What is the equation for finding the radius of a sphere when you know the circumference?

The equation for circumference is C=2(pi)(r) where C is the circumference and r is the radius. You can find the radius by plugging in the circumference into this equation and solving the equation.

What is the equation for the radius of a circle?

The radius of a circle = the diameter of the circle divided by 2

What is the equation of the circle with center 2 9 and radius 7?

depends on the equation.

What is the equation for the circumference and radius?

The equation for circumference is 2(3.14)(r) or 3.14(d) where r=radius and d=diameter. The radius of a circle is half of the circumference, or the distance across the interior of a circle.

What is the equation for finding area in a circle?

It's radius x radius x pi.

How do you find the radius of a cone if you have height and volume?

Use the equation for the volume of a cone, replace the known height and volume, and solve the resulting equation for the radius.

Equation of a circle centered at the origin with the radius 15?

The equation of a circle centered at the origin (0, 0) with a radius of 15 is given by the formula ( x^2 + y^2 = r^2 ), where ( r ) is the radius. Substituting the radius, the equation becomes ( x^2 + y^2 = 15^2 ). Therefore, the equation simplifies to ( x^2 + y^2 = 225 ).

What is the radius for a circle with the equation x2 plus y2 equals 9?

Equation of a circle centre the origin is: x2 + y2 = radius2 ⇒ radius = √9 = 3.

If you Give a circle with a diameter of 4 what is the circumference?

the equation for the circumference of a circle is 2*radius*pi, or since the radius is half of the diameter 2*radius=diameter, we can simplify the equation to the circumference of a circle=diameter*pi

What is the equation for circumfrence?

the radius squared x pi

What is the equation for getting the circumference of a circle with radius?

2x3.142xr

When you make the circle smaller which number in the standard equation for a circle centered at the origin decreases?

The radius of the circle decreases when you make the circle smaller.

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