A box is in the form of a cube. its outer is 5m long .find the : (a) total length of the edges (b) Cost of painting the outside of the box on all the surface ,at the ratio of 5 per m^2
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Answer:
Ans- (a) 60m. (b) Rs. 4500
Step-by-step explanation:
(a) There are total 12 edges in a cube So,
Total length of edges= 12×s= 12×5=60m
(b)
Total cost= TSA of cube × 5
= 6a^2×5
=6×5^2×5
= 30^2×5
= 900×5
=4500
Answered by
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