the inner diameter of a circular well is 3.5 M and it is 12 m deep find the cost of plastering the inner surface at the rate of rupees 5 per square metre
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THE INNER DIAMETER OF WELL=3.5m.
INNER RADIUS OF WELL (r) =35/20m
HEIGHT (h) =12m
CURVED SURFACE AREA OF WELL = 2πrh
=2*(22/7)*(35/20)*12= 132m²
COST OF PLASTERING = 132*5 rs.
= 610 rs
INNER RADIUS OF WELL (r) =35/20m
HEIGHT (h) =12m
CURVED SURFACE AREA OF WELL = 2πrh
=2*(22/7)*(35/20)*12= 132m²
COST OF PLASTERING = 132*5 rs.
= 610 rs
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