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Earn +20 ptsQ: What is the C in the equation 2 pi r equals C?
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Is c equals 2πr the same as c equals πr squared?
No. C = 2*pi*r is the equation representing the circumference of a circle. The area of a circle is equal to pi*(r^2).
What is the period of the function f of x equals cos2x a. 1 half b. pi divided by 2 c. pi d. 2?
the answer is c, pi
Is c equals ab to the second power a equation or expression?
It is an equation ... Anything with an equals is an equation 2+b=6 Anything without an equals is an expression 2+a
What is the equation to get circumference of a circle if you have diameter?
Circumference = Pi x Diameter (Pi equals 3.14)
How do you figure the radius if you have the circumference?
The circumference C of a circle can be written as C = 2 x pi x r, where r is the radius. Thus, to get C, you divide both sides of the equation with 2 x pi and get r = C/(2 x pi).
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