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3 votes
I need help with this... I don't understand geometry at all lol.

I need help with this... I don't understand geometry at all lol.-example-1
User Johni
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1 Answer

4 votes
1. vertical angle theorem and triangle angle sum theorem

2. The sum of the interior angles of a triangle = 180
so < x = 180 - (70 + 30) = 180 - 100 = 80
and < y is a vertical angle to < x...and vertical angles are equal..
so < y = 80
User Christopher Lee
by
8.1k points

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