Browse · MATH
Printjmc
geometry intermediate
Problem
Let and be points on a circle of radius If what is the circumference of the minor arc ? Express your answer in terms of
Solution
A diagram can help us get on the right track.
First of all, the circumference of the entire circle is Since we can see that the minor arc has measure of twice that, or Therefore, we can find its circumference by finding
First of all, the circumference of the entire circle is Since we can see that the minor arc has measure of twice that, or Therefore, we can find its circumference by finding
Final answer
14\pi