1.

A open sink in the kitchen of (40x30x20)cm dimensions is to be coated with enameled steel. Find the enameled steel sheet requiredfor the coating purpose. ​

Answer» ONG>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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