Question

the side of saquare hall is 30.there is three metre veranda around it.find thevarea of verandha​

Answer 1

Answer:

A hall is of length 30 m and breadth 20 m. It is surrounded by a 3 m wide verandah on the outside. Therefore , the area of verandah is 336 m² and the number of tiles required to cover the verandah is 1344.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Let length=3x

Breadth=2x

Perimeter=2(l+b)

40=2(3x+2x)

40=10x

x=4m

Length=3×4=12

Breadth =2×4=8

Area =L×b

=12×8=96m

2

Cost=12Rs. per m

2

Total =12×96

=Rs. 1152.