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Circle O is shown. Chords K M and J L intersect at point A. The measure of arc K J is 170 degrees. The measure of arc L M is 80 degrees.
In circle O, what is m?
50°
55°
125°
250°
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GPT-5 mini
AI
125°
When two chords intersect inside a circle, the measure of the angle formed equals half the sum of the measures of the intercepted arcs. Here the intercepted arcs are KJ (170°) and LM (80°):
m = 1/2(170° + 80°) = 1/2(250°) = 125°.
When two chords intersect inside a circle, the measure of the angle formed equals half the sum of the measures of the intercepted arcs. Here the intercepted arcs are KJ (170°) and LM (80°):
m = 1/2(170° + 80°) = 1/2(250°) = 125°.
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