Answer:
chapter 3,9,10 are quite hard for me
Step-by-step explanation:
Can you write the question better?
Answer:
13º
Step-by-step explanation:
We know a straight line makes 180, so the one opposite 63 is (180-63) which is 117.
We know the interior angles in a triangle make 180. We know two angles 50 and 117 and 50+117=167. 180-167=13.
Can you say exactly what your asking for.