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4. Find the cost of digging a cuboidal pit 8 m long. 6 m broad and 3 m deep at the tatc oV Rs 30 perm |
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Answer» Given cuboid dimensionsLength = 8mBreadth = 6m andHeight = 3mRate per m² = Rs30Total cost = Total surface area× 30⇒2(lb + bh + hl)×30⇒2[(8×6) + (6×3) + (3×8)] ×30⇒2(48+18+ 24)×30⇒2(90)×30⇒180×30∴Rs5400 is the total cost to dig the pit |
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