robert dives 40 ft.....-40 he then rises 23 ft.....-40 + 23 = -17 he then dives 19 ft to meet Sam....-17 - 19 = -36 together they rise 31 ft...-36 + 31 = - 5
The volume of a cylinder is PiR^2H. We have the radius and height, so we can answer this. Pi = 3.14 R = 11 H = 18 3.14 x 11^2 x 18. Your answer is 6838.92 inches.