Question

(1)
Take cuboid shaped duster (which your teacher uses in the class room).
Measure its sides with scale and find out its surface area.
Cover this duster with a graph paper, such that it just fits around the
surface. Count the squares and verify the area you have calculatead.
(1) Measure length, width and height of your classroom and find
(a) The total surface area of the room, ignoring the area of windows
and doors
(b) The lateral surface area of the room
The total area of the room which is to be white washed.
(c)​

Answer 1

Answer:

the length is 300 the surface area is 300

answer is 300