The other leg of the right triangle is the altitude of the equilateral triangle so solve using the Pythagorean Theorem. To use the distance formula to find the length of a line start by finding the coordinates of the line segments endpoints. Therefore if you divide an arcs degree measure by 360 you find the fraction of the circles circumference that the arc makes up.
This can be expressed in the following equation where is the length and is the width of the rectangle.
The length of AC 3 1 2. The length of AC 3 1 2. By knowing the lengths of two sides of a right triangle the length of the third side can be determined. Since this leg is half of the chord the total chord length is 2 times that or 13266.