Question

Find the area of a rectangular plot one side of which is 48 m and its diagonal 50 m.
• A room is 9 m by 8 m by 6.5 m. It has one door of dimensions (2 m x1.5 m) and four
windows each of dimensions (1.5 mx1 m). Find the cost of painting the walls at 50 per m​

Answer 1

By Pythagoras
Diagonal2 = breadth2 + length2
breadth = 14
Area = 14×48=672 sq.m