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allsm [11]
3 years ago
11

The radius of a circle is 14. Using π, which equation expresses the ratio of the circumference of the circle to the circle's dia

meter?
A)
C
14
= π
Eliminate
B)
C
28
= π
C) C =
14π
7
D) C =
r
14π
Mathematics
2 answers:
Furkat [3]3 years ago
8 0

C

28

= π

The diameter is equal to twice the radius.

C = 2πr

C = 2(14)π

C = 28π

C

28

= π

prisoha [69]3 years ago
5 0

Answer and explanation:

Given : The radius of a circle is 14.

To find : Which equation expresses the ratio of the circumference of the circle to the circle's diameter?

Solution :

The circumference of the circle is C=2\pi r

Radius is r=14

The circumference of the circle is C=2\pi\times 14=28 \pi

The circle's diameter is d=2r

The ratio of the circumference of the circle to the circle's diameter is given by,

C:d=2\pi r : 2r

C:d=\pi : 1

Therefore, option B is correct.

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