Question

a room is 10m long 8m wide and 5 m high find the cost of coloring its wall and ceiling at rs 36 per sq meter

Answer 1

ǫᴜᴇsᴛɪᴏɴ →

a room is 10m long 8m wide and 5 m high find the cost of coloring its wall and ceiling at rs 36 per sq meter

ᴀɴsᴡᴇʀ →

It is given,

walls of a room,

this means the lateral surface area

we know that lateral surface area

$\longmapsto\tt{2h(l+b)}$

$\longmapsto\tt{2×5(10+8)}$

Length of the paper required

$\longmapsto\tt{\dfrac{180}{50}}$

=3.6 m is the length of paper required.