A cubodial oil tin has 40cm …
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Yogita Ingle 4 years, 1 month ago
dimension of cuboidal tin = 30cm×40cm×50cm
let length = 40cm
breath = 30cm
height = 50cm
Total surface area = 2(lb+bh+lh)
= 2(40×30 + 30×50 + 40×50)
= 2(1200 + 1500 + 2000)
= 2(4700)
= 9400 cm²
TSA of one tin box = 9400 cm²
TSA of 20 tin boxes = 9400×20 = 18800 cm² = 1.88m²
Cost of tin = Rs. 20/m²
Total cost = 1.88×20 =Rs. 37.60
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