A box of mass mmm is released from rest on a frictionless ramp. The ramp has an angle \thetaθtheta. What is the magnitude of the box's net force?
Choose 1
Choose 1

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation:

12r - 8 - 12

you have to combine like terms. below i have bolded the like terms:

12r - 8 - 12

together it combines to:

12r - 20

hope this !

333.74 ! should be your answer for this question