The answer is 51.3 degrees because you add 90+38.7=128.7
then you do 180-128.7 because this is a linear/ supplementary triangle which adds up to 180
and you get 51.3 degrees
57+23 = 80
not rounded it's 80.14
Answer:
B is your answer!
Step-by-step explanation:
Hope I helped:)
Answer:
answer is not
Step-by-step explanation:
clear sorry
Answer:
50
Step-by-step explanation:
The values of a triangle have to equal 180. Subtract 180 by the two angles.
180-52=128
128-78=50
So M is 80 degrees.
-hope it helps
