mom is 30 15*15=30 so mom is 30 because of 15
Answer:
3x-22=80+x
3x-x=80+22
2x=102
x=51
Step-by-step explanation:
the exterior angle is (3x-22) and then is equal to sum of 80 and x
and then we get 51
1/2
cotangent is the reciprocal of a tangent
tanθ = 2
cotθ = 1/2
C
hope it helps
its B i think
