Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set. (
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14. Trick question, ignore the side.
Call the angle b.
34 + b + b = 180
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15. That's intersecting chords so the product of the segment lengths are equal:
5(22)=10 x
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choice a
16. Intersecting tangent and secant;
Choice a
