saryna54 saryna54

02-05-2020
Mathematics

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find the radius of a circle with a circumference of 45(pi)cm

Respuesta :

02-05-2020

Answer:

22.5 cm

Step-by-step explanation:

We know, that the formula for the circumference of a circle is d*pi or 2 * r * pi

So we know 45 = diameter. Meaning r = 22.5

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