Answer:
your answer is 10/3 (fraction)
Step-by-step explanation:
120-40=80
4 x 6=24
80/24=
3x-y-2z=4. 2x+3y-4z=1
4x-7y-6z=-7. -x+6y+4z=11
- +. +. +. x+9y=12
____________.
-x +6y +4z=11.
The name of the angle is obtuse
