Question 1084937
*[illustration de3.png].
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So angles Q and R are identical.
Set them equal to each other and solve.
{{{2n+38=6n-22}}}
{{{-4n=-60}}}
{{{n=15}}}
So then,
{{{Q=R=2(15)+38}}}
{{{Q=R=68}}}
And you also know,
{{{Q+R+S=180}}}
{{{68+68+S=180}}}
Now solve for S.