Answer:
if by % this sign you mean x then
x=9
Step-by-step explanation:
x+3=12
x=12-3
Just saying, this angle is a 45 degree angle.
and the X on both is '-1'
I think?
hope this helps. im not good at math..- :)
Option B
Answer:A quadrilateral always has a sum of 360o in total.
