JalaiahE334650 JalaiahE334650
  • 25-10-2022
  • Mathematics
contestada

I really need help with number 9 find the value of x that makes abcd a parallelogram.

I really need help with number 9 find the value of x that makes abcd a parallelogram class=

Respuesta :

EstefaniL254265 EstefaniL254265
  • 25-10-2022

Given:

The adjacent angles of a parallelogram are 78 and x+10.

To find:

The value of x.

Explanation:

We know that,

The sum of the adjacent angles in a parallelogram is supplementary.

So, we can write,

[tex]\begin{gathered} 78+x+10=180 \\ x+88=180 \\ x=180-88 \\ x=92 \end{gathered}[/tex]

Thus, the value of x is 92.

Final answer:

The value of x is 92.

Answer Link

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