In this diagram, Points A, B, C, and D lie on the circle and Chords AB and CD are congruent. Arc AB measures 88° and Arc BC measures 90°. What are the measures of Arc CD and Arc DA, respectively?
Added by James L.
Step 1
Second, we know that Arc AB measures 88° and Arc BC measures 90°. So, we can subtract these two measures from 360° to find the total measure of Arc CD and Arc DA. 360° - 88° - 90° = 182° Third, since Chords AB and CD are congruent, the arcs they intercept Show more…
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