Here are two closed containers and four balls just fit in each container. Curved surface area
of a cylinder is 2nrh
Container A
Container B
Each ball has a diameter of 60 mm.
Which container has the smaller surface area?
You must show your working (using mm).
Your final line should say either, 'A is smaller' or 'B is smaller'.

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field