How do i solve the question above without a calculator and please explain

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?