Question

Confused with the following geometry problems. Please help!!

Answer 1

How many degrees are in a triangle?

Answer 2

for the second equatin, we know that there are 180 degrees in a triangle, so we can set an equation: 2x+70=180

Answer 3

2x=110
x=55 <---answer

Answer 4

for the 2nd equation you can set up the equation 180=40+2y
140=2y
y=70

Answer 5

I will continue when you come back