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11 votes
I need help with this I don’t get this

I need help with this I don’t get this-example-1

1 Answer

12 votes
Straight angle is 180 degrees so 180-146=34 gives u angle C.
Sum of a triangle is 180 so
5y+3+4y+8+34= 180 and solve for y
9y+ 45=180
Y=180-45/9
Y=15

And A is 78
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