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The radius of a circle is the distance from the centre of the circle to a point on the circumference of the circle.

If it is a drawing and the circle is to scale the radius can be measured with a ruler. If not, the radius can be calculated if the diameter, circumference or area of the circle is known.

the radius is equal to:

- the diameter divided by 2

- the circumference divided by 2pi(approx. 6.284)

- the square root of the area divided pi (divide by pi first, then take the square root)

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โˆ™ 2013-03-05 05:28:40
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: How do you find out the radious of a circle?
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How do you find the circumference of a circle whos radious is 7.8?

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If you only have the radius how do you find the height of a cylinder?

You can't find the height of a cylinder if you know the radious, because the radious only determines how many units the circle is around. so it's impossible to find the height of a cylinder if you only know the radious.


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