Question 157759
Remember complement angles add to 90 degrees. So this means that {{{x+y=90}}}



{{{x+y=90}}} Start with the given equation



{{{11+y=90}}} Plug in {{{x=11}}}



{{{y=90-11}}} Subtract 11 from both sides



{{{y=79}}} Subtract



So the complement angle is 79 degrees