angelabarlona17 angelabarlona17
  • 11-08-2021
  • Mathematics
contestada

Hi! quick question, whats the equation for this?
The sum of the angle measures of the polygon is 540°. Write and solve an equation to find the value of x.

Hi quick question whats the equation for this The sum of the angle measures of the polygon is 540 Write and solve an equation to find the value of x class=

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Аноним Аноним
  • 11-08-2021

[tex]\\ \sf\longmapsto 4x+4x+5x-7+5x+2+96=540[/tex]

[tex]\\ \sf\longmapsto 4x+4x+5x+5x-7+2+96=540[/tex]

[tex]\\ \sf\longmapsto 8x+10x-5+96=540[/tex]

[tex]\\ \sf\longmapsto 18x+91=540[/tex]

[tex]\\ \sf\longmapsto 18x=540-91=449[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{449}{18}[/tex]

[tex]\\ \sf\longmapsto x\approx2.4[/tex]

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surjithayer10otahza surjithayer10otahza
  • 11-08-2021

Answer:

x=25

Step-by-step explanation:

4x+5x-8+96+5x+2+4x=540

18x+90=540

18x=540-90=450

x=450/18=25

Answer Link

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