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15-02-2021
Mathematics

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The sum of the angle measures of the polygon is 540°. Write and solve an equation to find the value of x.

An equation is =540
The solution is x=

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kristinagavino15 kristinagavino15

15-02-2021

in figure

85+5n+5n+5n+5f+5n-10=540

20n+80=540

20n= 460

x=23

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