Answer:
D 73º
Step-by-step explanation:
Total angles
a = (sides - 2) * 180
a = (5 - 2) * 180
a = 540
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Missing angle
x = 540 - (104 + 118 + 96 + 115)
x = 107
a is supplementary to x
m∠A = 180 - 107
m∠A = 73º
Answer:
0.270.27777777777
Step-by-step explanation:
You draw a diagram and color each side in for both of them
Answer:
x=62
z=47
y=40
Step-by-step explanation:
Opposite angles created by two lines are equal.
x=62
31+z=78, z=47
Angles along a straight line add to 180.
x+y+z+21=180
62+y+47+31=180
y=180-140=40
