HELP GEOMETRY find x,y,z ASAP‼️
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We have three problems that are basically the same, so let's try to come up with a general formula.
As you've observed in the previous problems I've helped you with, the angle cut off by a tangent and a chord is half that of the arc they cut off. So, in the first two problems, if we let the angle we're given be , we have .
Then, by the straight-line angle rule (angles that together form a straight line sum to 180 degrees), . Applying the first rule again, .
Applying these formulas, for the first question, , , and .
For the second problem, , , and .
For the third, the variables are positioned differently, so we replace with (because is now the arc cut off by our given angle) and with .
So, , , and .
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