1.The slant height of a right square pyramid is 15ft and the length of the base is 11ft. Determine the exposed surface area of the pyramid, if the pyramid is sitting on its square base, to the nearest square foot.

2.The circumference of a soccer ball is 24in. Determine its surface area, to the nearest square inch.

3.A right cone has a slant height of 17in and a base diameter of 16in. Determine its volume, to the nearest cubic inch.