Answer:
the answer should be 360/36=10 sides
Step-by-step explanation:
A regular polygon is 144 deg the exterior angle is 36 deg.
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Oldest = 2x
Middle = x + 5
Youngest = x
2x + x + 5 + x = 57
combine like terms
4x + 5 = 57
subtract 5 from both sides
4x = 52
divide both sides by 4 to isolate x
x = 13
Oldest = 2x = 2(13) = 26
Middle = x + 5 = 13 + 5 = 18
Youngest = x = 13
Answer:
2
Step-by-step explanation:
Because 3-1 is 2 and 1/4-1/4=0
So 2