Engineering Board Exam Reviewer · Circles: Arcs and Angles · medium
Two chords intersect inside a circle, forming an angle of 55°. If one of the intercepted arcs measures 70°, find the other intercepted arc.
- 40°
- 30°
- 45°
- 50°
Answer
A. 40°
Solution
The angle equals half the sum of the two intercepted arcs: 55°= 12(70°+x) x=40°.
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