Read this situation : andres is adding molding to the ceiling in his living room. the room is 20 feet long and 12 feet wide. what length of molding does he need?
what do you need to operation do you need to do to manipulate this problem?
area, perimeter, or circumference?

Vikram is studying the square pyramid below. on st to find the surface area of the pyramid, in square inches, vikram wrote (33.2) (34 ikram wrote (33.2)(34.2)+43(34.2)(284) what error did vikram make? o he used the same expression for the area of all four lateral faces. he used the wrong expression to represent the area of the base of the pyramid. o he used the wrong value as the height when he found the area of the lateral faces. he used an expression for surface area that only finds the total area of three faces.