A open sink in the kitchen of (40x30x20)cm dimensions is to be
coated with enameled steel. Find the enameled steel sheet required
for the coating purpose.
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Step-by-step explanation:
Surface area= 2(bh+hl)+lb (lb is out of the bracket because it's an open sink , meaning there is no roof)
= 2(600cm²+800cm²)+120cm²
= 2×1400cm²+120cm²
= 2920cm²
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