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Subcategories
Inscribed Arcs
Secant-Tangent Inscribed Angles, Alternate Solution
T
Hi! This is in relation the question at the end of this explanation. I'm confused about how angle CGH can be inscribed to arc CG. Could someone help explain? Thank you 🙂
Tangent-Tangent Inscribed Angles
I
Why, for the angle we found to be 140 degrees, is its arc also 140 degrees? Shouldn't it be twice as large, 280 degrees?
Solution Using Variables
U
Well, it is kind of related. If we take the general example, calling the 40 degree angle x, then the answer is (180 + x)/2, or 110.