Answer:
First one: x = 11°
Second one: x = 12°
Step-by-step explanation:
The first one:
5x + 10 + 58 = 11x + 2 (exterior angles of a triangle)
5x + 68 = 11x + 2
5x + 66 = 11x
66 = 6x
x = 11
The second one:
10x - 10 + 30 = 12x - 4 (exterior angles of a triangle)
10x + 20 = 12x - 4
10x + 24 = 12x
24 = 2x
x = 12
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-Chetan K
