find the cost of digging a cuboidal pit of dimensions 8m × 6m × 3m at the rate of Rs 30 per m³.
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Answered by
8
Answer:
Step-by-step explanation:
Given cuboid dimensions
Length = 8m
Breadth = 6m and
Height = 3m
Rate per m² = Rs30
Total 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
jarpana2003:
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Answered by
4
Volume of cuboid = 6*8*3
= 144 m³
Cost = 144* ₹30
= ₹4320
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