Question

A circle has a circumference of 1{,}133.541,133.541, comma, 133, point, 54 units.
What is the diameter of the circle?
units

Answer 1

A number can have only one decimal point;
If it was correct, I would have answered answer as per question...
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Answer 2

Given:

The circumference of a circle = 133.541 units

Let the radius of circle = r

We have to find, the diameter of the circle (d).

Solution:

We know that,

The circumference of a circle = 2πr

⇒ The circumference of a circle = π(2r)

⇒ The circumference of a circle = πd [ ∵ d = 2r]

∴ 3.14 × d = 133.541

⇒ d = $\dfrac{133.541}{3.14}$ units

⇒ d = $\dfrac{133.541}{3.14}$ units

⇒ d = 42.5289 units

∴ The diameter of the circle (d) = 42.5289 units

Thus, the diameter of the circle (d) is equal to "42.5289 units".