Question

LOOK AT THE ATTACHMENT PLSPLS I NEED HELP

Answer 1

Angle A is actually 60.
Supplementary angles do add to 180, but that means that C is 50 not A.
Angles in a triangle add to 180 so to get angle A: 50+70 =120 then 180-120= 60 so angle A is 60.
Hope that makes sense?