Volume of similar cylinders

The cylinders shown are similar.

What is the volume of the larger cylinder?

Solution:

A rectangle has an area of 48 in.². Every dimension of the rectangle is multiplied by a scale factor and the new rectangle has an area of 12 in.². What was the scale factor?

In a drawing, a wall is 8 cm long. The actual wall is 20 m long. Find the scale of the drawing.

objects are (20*100)/8=250 times their size on the drawing