Question

Walls of a room 10m long, 8m wide and 5m high are to be covered with wall paper 50cm wide. Find the length of wall paper required.

Answer 1

It is given,
walls of a room,
this means the lateral surface area

we know that lateral surface area
=2h(l+b)
=2×5(10+8)
$180 {m}^{2}$
$length \: of \: the \: paper \: required \\ = \frac{180}{50}$
=3.6 m is the length of paper required.

Answer 2

Answer: i hope you got it

Step-by-step explanation: It is given,

walls of a room,

this means the lateral surface area

we know that lateral surface area

=2h(l+b)

=2×5(10+8)

180 {m}^{2}

length \: of \: the \: paper \: required \\ = \frac{180}{50}

=3.6 m is the length of paper required.