If a tin box with an open lid is to be made with length 150 cm, height 100 cm and breadth 80 cm. How much money will be spent if the cost of tin is Rs.400 per sq m?
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5
Answer:
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Step-by-step explanation:
length 150cm, breadth 80cm and height 100cm
an open lid
l = 150 cm
b = 80 cm
h = 100 cm
Hence total Surface area = lb + 2(l + b) h
= 150 * 80 + 2(150 + 80) * 100
= 12000 + 200(230)
= 12000 + 46000
= 58000
total Surface area = 58000 cm²
1 m² = 10000 cm²
total Surface area = 5.8 m²
cost of tin is Rs. 400 per sq.m
=> money will be spent 400 * 5.8
= 2320
Rs 2320 will be spent
Answered by
1
the answer is 2320/-
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