Calculate the missing angle measures in each figure

Mathematics

1 answer:

dalvyx [7]3 years ago

4 0

Answer:

a:36 b:30

Step-by-step explanation:

A:180-56, since it is a straight line.

180-124-20= 36

B:180-120=60

60+3x+1x=180

60+4x=180

4x=120

x=30

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