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Dominik [7]
3 years ago
12

True or False: An equation to find Circumference is C = πr2

Mathematics
2 answers:
SashulF [63]3 years ago
6 0

Answer:

False

Step-by-step explanation:

It's actually C=πd d is diameter or C=πr^2

wolverine [178]3 years ago
4 0

Answer:

True

Step-by-step explanation: Calculate circumference from area

We are given the area, and by substitution we know that 13π = πr2. We divide out the π and are left with 13 = r2. We take the square root of r to find that r = √13. We find the circumference of the circle with the formula C = 2πr.

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