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Inga [223]
3 years ago
14

3. If a circle has a circumference of T units, what is the diameter of the circle?

Mathematics
1 answer:
musickatia [10]3 years ago
4 0

Answer:

Diameter = \frac{T}{\pi}  units

Step-by-step explanation:

There are 2 formulas that we have for circumference of a circle, shown below.

  1. C=2\pi r
  2. C=\pi d

This comes from the fact that twice radius (r) is equal to diameter (d).

Since the question asks for diameter given circumference, we will use #2 formula from above because it relates circumference and diameter.

C = T [given]

d = ???

Let's find by substituting in formula:

C=\pi d\\T = \pi d\\d=\frac{T}{\pi}

Hence the diameter is  \frac{T}{\pi}  units

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