What is the interior angle sum of 31-gon

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)

For every touchdown scored by the timberwolves the mascot does three backflips if the cheerleaders set off six confetti cannons how many touchdowns did the timberwolves score if the cheerleader set of 18 confetti cannons