Answer:
The first picture is A
The second picture is 21.8
The third picture is 20
The fourth picture is B
Explanation:
hope this helps
4x + 8x = 180
12x = 180
x = 15
90 - 68.2 = 21.8
7x + 10 = 150
7x = 140
x = 20
Angle A = 63
180 - 63 = 117
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