Use the relationships in each diagram below to solve for the given variables.
The secant-tangent angle is half the difference between the major and minor arcs.
The total measure of all the arcs in a circle is 360°.
The area of
is sq. units.
The area of a circle is
. is the radius of .
The diameter of
is units. is the length of .
Refer to the Math Notes box in Lesson 8.1.4 for help calculating the sum of all of the angles in a polygon.