Question

A door of length 2 metre and breathe 1 metre fitted in a wall . the length of the wall is is 4.5 metre and breadth is 3.6 metre , as shown in the figure alongside . find the cost of whitewashing the wall , if the rate of whitewashing the wall is rupees 20 per metre square ​

Answer 1

Answer:

Step-by-step explanation:

Area of wall=3.6x4.5

=16.2

area is door=2x1=2

area of wall-area of door=16.2-2

=14.2

cost=14.2x20

=284/-