The diagram shows a water trough in the shape of a half cylinder.
Find the surface area of the outside of this water trough.
Round your answer to two decimal places.
Consider the solid pictured and answer the following:
Find the surface area of the cone shown.
Round your answer to two decimal places.
The top of a solid cone was sawed off to form the solid attached. Find the surface area of the solid formed correct to two decimal places.