how do i calculate the lateral surface area of a cylinder without bases? i’m trying to find the LSA but the cylinder doesn’t have any bases. what do i do?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.