The answer is 12.48 hope this helps!
Answer:
I'm not sure which answers choices you have so I am going to put two answers. But i believe the answer is 1/5 or 6 . I hope this helps you.
180 - 64 = 116
116 / 2 = 58 :)
Check: 58 + 58 + 64 = 180
You know that the sum of the interior angles in a triangle is 180
we will add all the angles,
(x+8)+(2x-8)+(3x-12)=180
x+8+2x-8+3x-12=180 8 and -8 cancel out
6x-12=180
6x=180+12
6x=192
x=192/6=32
x=32
The answer for this question is B because - -e/-f is the same as - -e/f