Concept explainers
Describe how to find the measures of the three minor arcs formed by the points of tangency.
Answer to Problem 41HP
Explanation of Solution
Given:
A
Formula Used:
Theorem 10.14: If two secants , a secant and a tangent , or two tangents intersect in the exterior of a circle, then the measure of the
Calculation:
Draw the diagram:
The minor arcs are
Use theorem 10.14 to find the measure of arc AB:
Use theorem 10.14 to find the measure of arc BC:
Use theorem 10.14 to find the measure of arc BC:
So , measures of the minor arcs are :
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