ICSE Class 6 Answered
Sangeeta is creating a paper Lantern that is 15 centimetres long 13 cm wide and 28 cm high the paper she plans to use comes in sheets that have an area of 14 square cm and cost rupees 15 per sheet she buy just enough paper to cover the sides of the lantern how much the paper cost to her
Asked by devidunita306 | 05 Jan, 2019, 01:01: PM
Expert Answer
Surface area of Lantern = 2×(15×13 + 13×28 + 28×15 ) = 1958 sq.cm
if a sheet are is 14 sq.cm, number of required sheets to cover the lantern = 1958/14 ≈ 140
cost of covering the lantern = 140×15 = Rs.2100
Answered by Thiyagarajan K | 08 Jan, 2019, 05:37: PM
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