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#6. Which line is a secant?
#7. Which line is a tangent?
#8. If measure of arc KNM is 250 and arc KM is 110, what is the measure of angle KLM?
» The measure of angle formed outside the circle by the two tangent line is half the positive difference of its intercepted arcs. Thus, we can say that;
The measure of angle KLM is 70 degrees.
#9. Find the measure of angle KOM if the measure of arc KM is 140 and arc NP is 30.
» The measure of angle formed outside the circle by the two secants is half the positive difference of its intercepted arcs. Thus, we can say that;
The measure of angle KOM is 55 degrees.
#10. If the measure of arc KN is 170, what is the measure of angle NKS?
» The secant and tangent line intersect at the point of tangency then the measure of angle formed is half the measure of its intercepted arc. Thus, we can say that;
The measure of angle NKS is 85 degrees.
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Answer:
6.d
7.d
8.b
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