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nignag [31]
3 years ago
12

X=_? please help. this assignment makes no sense and i cant find any helpful videos.

Mathematics
1 answer:
Elina [12.6K]3 years ago
7 0

See "intersecting secants theorem" (you should be able to find a variant that specifically applies to arc measures). It says that for this circle,

30^\circ=\dfrac{x-40^\circ}2\implies x=100^\circ

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Read 2 more answers
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