X/y=x/y
10/4=1/y
y=4/10=0.4
Answer: 118 degrees
Step-by-step explanation:
Angles in a triangle add up to 180 degrees.
So...
180 - (42+20) = 118 degrees
Answer:
Step-by-step explanation:
um
The answer is A because it is just all the normal factors plus the variable
4.3 should be the correct answer.