m<C is 30, because first you need add up all sides
[tex]6x = 180[/tex]
[tex]180 \div 6[/tex]
[tex] m < c = 30[/tex]
check your work
[tex]30 +90 + 60 = 180[/tex]
180 is the sum of a triangle,
and also this is a right triangle just by looking at it so one of the sides is 90* already
