Answer:
(for angles laying on the same line, there sum is always supplementary)
(21x+3)° + (14x+2)° = 180°
21x + 3 + 14x + 2 = 180
35x + 5 = 180
35x = 180 - 5
35x = 175
x = 175 / 35
x = 5
larger angle = 108°
21x + 3
= 21 × 5 + 3
= 105 + 3
= 108°
smaller angle = 72°
14x + 2
= 14 × 5 + 2
= 70 + 2
= 72°
Step-by-step explanation:
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