6x4/12+72/8-9 using pemdas

Here ya go ^v^ try to use math.way
I hope this helps
Ya have a wonderful day ^v^

Hello!
when anyone draws a triangle, the angles always add up to 180°

30°+60°+90°=180°

20°+50°+105°=175°

100°+40°+45°=185°

55°+35°+80°=170°

25°+65°+90°=180°

so the first and last equations are your answers because they both add up to 180°

I hope this helps, and have a great day!