Answer: i think its 4 if my calculations are right
Step-by-step explanation:
Answer:
A: 38:12
B: 25:10
C: 15:100
I hope I helped.
Answer:10
m4=m8
X = 45°
Y = 72°
There is a supplementary angle (an pair of angles that create a straight line is equal to 180°) and there is the rule that all three angles in a triangle equal 180° as well.