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nirvana33 [79]
2 years ago
5

The circumference of a circle is given by the formula C=2πr. Find r if the circumference is 396 meters and π is 22/7.

Mathematics
2 answers:
xeze [42]2 years ago
8 0

Answer:

The radius of the circle is 63 meters

Step-by-step explanation:

circumference of a circle is given by the formula C=2πr

It is given that,

circumference is 396 meters

<u>To find the radius of circle</u>

C=2πr         π= 22/7     C = 396

2*(22/7)*r  = 396

r = (396 * 7)/(2*22)

r = 63

Therefore the radius of given circle = 63 meters.

larisa86 [58]2 years ago
7 0

Answer:

r = 63 meters

Step-by-step explanation:

C=2πr

We know pi and C

396 =  2*22/7*r

396 = 44/7 *r

Multiply each side by 7/44 to isolate r

396*7/44 = 7/44 *44/7 *r

63 =r

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