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1. Use inscribed angles to find arc and segment length.
2. Use bisected chords to determine the measure of various angles, arc lengths, and segment lengths.
In the previous section, you learned about chords and central angles as well as tangents and arcs. In this section we will continue our exploration of chords in a circle and will introduce a new type of angle, the inscribed angle.
A quick proof that congruent chords create congruent arc lengths.
This section will discuss several interesting features formed when a diameter (or radius) intersects perpendicularly with a chord.
Using inscribed angles to determine various measurements.
While it's not required, this video from Khan Academy proves that an inscribed angle is half of the measurement of the arc that it forms. Interesting view for some of you...
Source: Khan Academy
