Add them all up and if they add up to 180 then your side lengths are good
Answer:
Step-by-step explanation:
I hope this helps you
6y=13-2x
y=13-2x/6
y=13/6-1/3x
Answer: it cant even be factored
Step-by-step explanation:
A squares interior able sun is 360 and half of a square is a triangle making the interior angle also 180 because half of 360 is 180. Idk how else to answer this because it’s just something that we all know
