Question
the area of four walls of a room is 480m. if the length of the room is twice its breadth and the height 8m find the areaof the floor.
Answers
Henry
Width = W meters.
Length = 2W meters.
W * 2W = 480 m^2.
2W^2 - 480 = 0, W^2 - 240 = W = 15.5 Meters.
2W = 2 * 15.5 = 31 Meters.
Length = 2W meters.
W * 2W = 480 m^2.
2W^2 - 480 = 0, W^2 - 240 = W = 15.5 Meters.
2W = 2 * 15.5 = 31 Meters.