# A school auditorium is 50m long & 30m wide. this auditorium is surrounded by a veranda 5m wide on the outside of it. find the area of veranda?find the area of verandah if tiles of 5ocm*50cm fixed on the verandah hoe many tiles are required

2
by foolish

2016-01-30T19:57:59+05:30

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Length of veranda=50m=5000cm
area  ofveranda=l*b=5000*3000=15000.

area of tile=50*50=2500cm

no of tiles=15000/2500
=6000.

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cuz the length and breadth of the SCHOOL AUDITORIUM is 50 & 30m respectively
2016-01-30T20:01:58+05:30

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The area of school autitorium = 50×30
=1500m²
the whole figure obtained is a rectangle
the length of this rectange= 50+5+5=60
its area = 60×40=2400 m²
area of varanda=area of whole figure-area of auditorium.
area of varanda=2400-1500
=900m²
area of tiles = 0.5 × 0.5
=0.25m²
∴number of tiles required= 2400/0.25
=240000/25
9600

∴ number of tiles required to tile the varanda = 9600

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