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Oksana_A [137]
3 years ago
5

Find the value of x.

Mathematics
1 answer:
Dominik [7]3 years ago
6 0
X+16+3x-1+6x+5x=360 (because sum of exterior angles of all quadrilaterals or any other geometric figures is always 360)
=>15x=360-16+1
=>15x=345
=>x=23
Good luck!
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