How can I find the radius of a circle?
Let’s learn how can I find the radius of a circle. The most accurate or helpful solution is served by Yahoo! Answers.
There are ten answers to this question.
Best solution
Answer:
circumference = pie times diameter radius is half of the diameter so if you have either the circumference...
mjherrer... at Yahoo! Answers Mark as irrelevant Undo
Other solutions
Okay, I am having a little trouble in math, And forgot to bring my textbook home. So The question is: The circumference of a circle is 56cm. What is the radius of the circle? If you could just show me the formulas or how to do the question, I'd be GREAT...
Answer:
The first answerer gave you Pi r squared, which is to find the AREA of the circle. the 2pi(r) is the...
Katie J at Yahoo! Answers Mark as irrelevant Undo
teddy*cheese*string at Yahoo! Answers Mark as irrelevant Undo
Okay, so I have a circle, with a 90 degree angle, split in two, to make two angles - one 50 degrees and the other - I assume would be 40 degrees, although it doesn't specify.. the ...show more
Answer:
All you can do is give the length of the arc as a fraction of the circumference. arcAB = (50/360)C ...
XBCXBIUSNWSNVLWKFFIIAWRAQE at Yahoo! Answers Mark as irrelevant Undo
The center is (1,2) and the point on the circle is (4,4). I got 3.6 as the radius, but i'm not sure?! The center is (-1, -7) and the point on the circle is (2,-2). I got the radius as 5.8..again, not sure. The center is (2, -3) and the point on the circle...
Answer:
The distance between the 2 points is the radius example for 1 point (1,2) and (4.4) d = distance d&sup...
Michelle at Yahoo! Answers Mark as irrelevant Undo
When given only a small section of a circle (barely even a semicircle) that does not include the center of the circle, how can I determine the radius, diameter, and circumference? I know the formulas, but without the center of the circle, they do no...
Answer:
If you know the length of the small section of circle, and what portion of the circle that is (i.e....
Mandy at Yahoo! Answers Mark as irrelevant Undo
How do you find the graph of a circle using the center (h,k) and radius r if a circle has the equation x^2+y^2+2x-2y-34=0
Answer:
x^2 + 2x + y^2 - 2y = 34 complete the squares for x and y ___ x^2 + 2x + 1 + y^2 - 2y + 1 = 34 + 1 ...
NVX245XLH5NRLWL3ILIZ4ABTMQ at Yahoo! Answers Mark as irrelevant Undo
I was given the circumference of a circle, 16pi, and need to find the radius of the circle. How do I do that? please give me the steps and the answer. Thank you! and can you also tell me how to when given the area instead of the circumference. For instance...
Answer:
C = 2 pi r, so 16 pi = 2 pi r, so 8 pi = pi r, so r = 8 A = pi r^2, so 81 pi = pi r^2, so 81 = r^2,...
bethm300 at Yahoo! Answers Mark as irrelevant Undo
Answer:
There is proof that people used saddles as early as 200 BC, but there isn't a person credited with the...
Cathy Catherine at ChaCha Mark as irrelevant Undo
Answer:
Circumference = pi x Diameter. If 3.14 = pi x diameter, then diameter equals 1 (pi is 3.14). Radius...
Anonymous at ChaCha Mark as irrelevant Undo
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