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You do that by using the information you're given, combined with the facts you know
about a circle. Unfortunately, you haven't described either of those categories in your
question.
Probably the most important fact you'll need to know about a circle ... the one that
this test-question is designed to check you on ... is the formula for the circumference
of a circle:
Circumference = (pi) times (diameter).
We're noticing that you don't know that formula, and you're still calling the circumference
of a circle the "length", so we want to suggest that you make an appointment with your
teacher to get together, and review a few things that you're still not sure of.
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A line segment that connects the center of a circle to a point on the circle?
what about such a line segment? the length of such a segment is called the radius. the area of the circle is pi*the length of this segment squared the circumference is 2*pi*the length of this segment
How do you find the radius given the chord length?
If you are given a chord length of a circle, unless you are given more information about the chord, you can not determine what the radius of the circle will be. This is because the chord length in a circle can vary from a length of (essentially) 0, up to a length of double the radius (the diameter). The best you can say about the radius if given the chord length, is that the length of the radius is at least as long has half half the chord length.
If the circumference of a circle is 45 cm what is the length of the diameter in centimeters?
If the circumference of a circle is 45 cm the length of the diameter in centimeters is: about 14.32 cm
What is an example of a radius in math?
A radius is a line drawn from the centre of a circle to the edge of that circle. It is half the length of the diameter of the circle.
This circle is centered at the origin and the length of its radius is 4 What is the equation of the circle?
x2 + y2= 16
