A cylinder has the base area of 616 cm square. Find its radius.

A lock on the panama canal is 33.5 metre wide (breadth) and 304.8 meter long (length) and 23.2 meter deep (height) locks are cuboid in shape. Find the volume of the lock.

The lateral surface area of a cube is 216 square feet. What is the length of the side.

Two cylinders have the same volume. The first cylinder had a diameter of 10 cm and a height of 30,The second cylinder has a diameter of 8 cm.What is the height of the second cylinder,to the nearest tenth a centimeter ?

Water tanks in an aquariums are cylindrical in shape. If the cylinder has 33 feet height and holds a volume of 45000 cubic feet of water, what is the approximate diameter of the tank?