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Can you help me on what 6x equals? (Grade 10, angles)

Can You Help Me On What 6x Equals Grade 10 Angles class=

Sagot :

First we need to find the value of x, we can use the fact that the sum of the interior angles of a quadrilateral is 360°

[tex]6x+6x+9x+9x=360[/tex][tex]\begin{gathered} 30x=360 \\ \end{gathered}[/tex]

then we isolate the x

[tex]x=\frac{360}{30}[/tex]

[tex]x=12[/tex]

then for 9x and 6x, we substitute the value of x=12

[tex]6(12)=72[/tex][tex]9(12)=108^{}[/tex]

if x =12, therefore, the angle 6x=72° and the 9x=108°

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