amulets7017
03.08.2019 •
Mathematics
Find the value of x if one exterior angle of a regular octagon is 9x+18
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Ответ:
(9x+18)8=360
Simplify
72x+144=360
Subtract 144 on both sides
72x=216
Divide by 72 on both sides
x=3
I hope this helped!
Ответ:
16
Step-by-step explanation:
let the ratio be 3x and 2x
3x=24
x=8
then we have the value of x
2x
2×8
16