Answer:
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120 and 240.
Step-by-step explanation:
those are the factors
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x = 18
x° + 8x° + x° = 180° (Linear pair angles)
10x° = 180°
x° = 180°/10
x° = 18°
whatever the other sides are the missing one is that same length because a square's sides are all congruent
