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The ceiling of conference hall are curved so that after the light reflection reaches all corners of the hall, the room becomes bright.
30 cm
(3480 - 600)/2 = 1440cm
Firstly, let's fond out now many square metres the decorators are working with 5082/6.60 = 770 Now, the eight = 5.5 so we'll work out the length by 770 / 5.5 = 140 So, four sides of a hall add up to 140, so two add up to 70. The relationship between the sides = 4 : 3, which when applied to 70 gives a length of 40 and a breadth of 30.