Step-by-step explanation:
base area of cone is given by πr^2
and
volume of a cone is given by
1/3 π r^2 h
Seven less than the quotient of a number and 12 is 4 and 3.
Kinetic energy possessed by moving train is

.
And mass

.
The formula for kinetic energy is

.
Solve for velocity:


Now put in the data:
Answer:
44⁰.
Step-by-step explanation:
Its supplement = 180 - 136
= 44 degrees.