CavalliR409366 CavalliR409366

03-11-2022
Mathematics

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my work is saying solve for the value of a

my work is saying solve for the value of a class=

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ArdianG12237 ArdianG12237

03-11-2022

Using the definition of suplementary angles we know that the angle that contains a and the 75° added together are 180°

[tex]75+(9a+6)=180[/tex]

solve the equation for a

[tex]\begin{gathered} 81+9a=180 \\ 9a=180-81 \\ 9a=99 \\ a=\frac{99}{9} \\ a=11 \end{gathered}[/tex]

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