Question

The floor of a room is a square of whose each side
is 10 m. Find the area of its four walls if it is 4 m
high-​

Answer 1

Answer:

the area of four walls of a room is 2(length + breadth)×height

so,first of all we will find its length + breadth

OK then here length is 10 and its a square so, breadth will also be 10

next 2(10+10) 4

=40×4

=160m sq