3 years ago

Please explain how to get answer I'm confused thanks!

1 answer:

7 0

The angle formed by the intersection of tangent and secant outside the circle equals half the difference of the intercepted arcs.

(210 - x)/2 = 50
210 - x = 50*2
210 - x = 100
210 - 100 = x
x = 110°

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