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IrinaVladis [17]
3 years ago
6

Hey can someone help me with #17

Mathematics
1 answer:
Vinvika [58]3 years ago
6 0
D. 54° as you know an external angle has to equal up to 360 

when you start plugging in 360 by 36 gives you 10
360 by 40 gives you 9
360 by 45 gives you 8
360 by 54 gives you 6.666 repeating you know that it isn't possible
you cannot have a repeating number of sides as an angle measure
that's how you get that answer

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