I tried to the task solve on few ways,but it`s not going good.Someone to help?
The basis of genuine four-sided prism is a trapeze base a = 18, b = 4, arm c = 13, d = 15.Izračunati surface
and volume of prisms if its height equal to the height of a trapezoid. (Solution: B 132, P 864, V 1584)
