The volume of a cylinder can be represented by the figure and formula below: V = arh
h
Find the height of a cylinder with a volume of 116.85 in and a radius of 2.875 in. Use the estimate
ne = 3.14159. Round your answer to the nearest tenth of an inch.

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.