Formula (1) = (l+w) (w+h) x 2 in cm (without wastage)/100 x100
Formula (2) = (l+w+6) x (w+h+4) x 2/10000 (include wastage)
Price=(l+w) (w+h) x 2 x rate per square meter/100 x 100
= rate/pc
Example, here, l = 54cm, w = 33cm, h = 18cm,
From (2) = (54+33+6) X (33+18+2) X2/10000
= 0.99 Square Meter.
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