I have a circle. 5 hole equally spaced. A line running from hole 1 to 3. Length of this line is 3.000 inches. What is the diameter of the cirlcle?
Any help would be appreciated.
Hello, DaveGoad!
The word "holes" is confusing.
Did you mean "points"?
I have a circle with 5 points equally spaced.
A line running from point 1 to point 3 has length of 3.000 inches.
What is the diameter of the cirlcle?Code:A o * |\ * | \ * B r | \ o | \ | \ 3 * | \ * O o 144° \ * * \ r * \ * o C
The circle has center
Point 1 is , point 2 is , point 3 is
Diagonal inches.
Note that: .
The radius is: .
Law of Cosines: .
. .
. .
. .
The diameter is: .