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andrey2020 [161]
3 years ago
7

Photo above. Please help I'm confused

Mathematics
2 answers:
CaHeK987 [17]3 years ago
4 0
There is 180 degrees on a straight line so you can work out the unnamed angle in the triangle by doing 180-115 which is 65

There are also 180 degrees in a triangle so to work out y you do 180 - (65+85) = 30

So y = 30 degrees
Ivan3 years ago
3 0
You have to use p theorem
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