Question 1083282

Two angles are Complementary when they add up to {{{90}}} degrees (a Right Angle right angle ). 

if {{{m }}}< {{{1= (4x+12)}}} and {{{m}}} <{{{2= (6x+8)}}}, we have

{{{(4x+12)+(6x+8)=90}}}

{{{4x+12+6x+8=90}}}

{{{10x+20=90}}}

{{{10x=90-20}}}

{{{10x=70}}}

{{{x=7}}}

now find  {{{m }}}< {{{1= (4x+12)}}}

{{{m }}}< {{{1= 4*7+12}}}

{{{m }}}< {{{1= 28+12}}}

{{{m }}}< {{{1= 40}}} degrees