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Find the value of x.
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Find the value of x.

Find the value of x.-example-1
User SvenK
by
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1 Answer

2 votes

Angles sum up to:

( n - 2 ) × 180 = ( 5 - 2 ) × 180 = 3 × 180 = 540


x + 4x + 4x + 135 + 135 = 540


9x + 270 = 540


9x = 540 - 270 \\ 9x = 270


x = (270)/(9) = 30

User Michal Minich
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