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Marina CMI [18]
3 years ago
8

Cornelius is building a solar system model. He plans on making a circular ring around one of the planets out of wire. He wants t

o know how long he should make the wire to position around the planet. Select all the formulas that coulr be used to determine the length of the circular ring.
Mathematics
1 answer:
astra-53 [7]3 years ago
6 0

Answer:

C = 2\pi r

C = \pi d

Step-by-step explanation:

Given

A circular ring

Required

The length

Let

r \to the radius of the ring

The length is calculated by calculating the circumference of the ring.

This is calculated using:

C = 2\pi r

or

C = \pi d

Where

d \to diameter

and d = 2r

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