Question

1. The length, breadth and height of a room are
7 m, 6 m and 4 m respectively. Find each of
the following:
a.
The area of the four walls
b.
The area of the roof​

Answer 1

Answer:

answer for the question is options b )the area of the roof

Answer 2

Answer:

a. Area of four walls= curved surface area.

CSA of a cuboid=2h(l+b)

=2×4(7+6)

=8×13

= 104m²

b. Area of the roof= area of a rectangle

Area of the rectangular roof= l×b

= 7×6

= 42m²

Hope it helps....

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