Question 1152229
 
complementary angles are two angles whose sum is {{{90}}}°

if an angle is {{{alpha}}} and its complementary angle {{{beta}}},we have

{{{alpha+beta= 90}}}°.....eq.1

if angle {{{alpha}}} measures {{{68}}}° more than the measure of {{{beta}}},we have

{{{alpha=beta +68}}} ....eq.2...substitute in eq.1

{{{beta +68+beta= 90}}}°.....eq.1

{{{2beta= 90-68}}}°

{{{2beta= 22}}}°

{{{beta= 11}}}°

go to eq.2, substitute {{{beta}}}

{{{alpha=11 +68}}}

{{{alpha=79}}}