Mattwatson08
What is the value of n?
9
24
14
26



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fewscrewsmissing
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lol. Where's that picture of satellite73's?

Mattwatson08
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Mattwatson08
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sorry there it is

fewscrewsmissing
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All internal angles need to sum to 180. So how could you go about working it out?


Mattwatson08
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add them all then equal it to 180?

fewscrewsmissing
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Yeah pretty much.
(5n + 5) + 40 + 15 = 180
And work from there.

amitlpu91
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jst solve by this 55+5n+5=180

Mattwatson08
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i got it thank you

amitlpu91
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so n= 120 /5