Answer:
85 ° is the answer to the question
85 degrees
Step-by-step explanation:
Angles in a triangle add up to 180 in total so to solve it add the two angles you know so 18+77 which is 95 than you subtract it from 180 so 180 - 95 is 85
here is the correct answer
a taingle adds up to 180 degrees if that helps
2
Its pretty easy math
