Question

The Lenth of a room is 2 times of his breadth and his 30 m. Find the are of carpet so the whole floor can be carpeted .​

Answer 1

Answer:

450m²

Step-by-step explanation:

Length=30m

Breadth=15m

Area =450m²

Answer 2

Answer:

Let the breadth of room 'b'.

then length of the room is 1.5b.

area carpeted=

3.25

175.50

m

2

=54m

2

∴ area of floor=54m

2

l×b=54

1.5b

2

=54

b

2

=

1.5

54

=36

b=

36

=6m&l=1.5,b=9m

area whitewashed=

1.4

240

=172m

2

172=(area of walls−total area of one door and two windows)

172=2(l+b)h−8

2(9+6)h−8=172

∴l=9m,b=6m,h=6m

Step-by-step explanation:

l hope it will help u ☺️✌☺️