Question

An oil tin measures 20 cm x 30 cm x 40 cm. If 1 square meter of tin costs Rs. 25, the cost of 10 such fins will be:​

Answer 1

Answer:

Your answer

Step-by-step explanation:

Surface area = 2(lb+bh+lh)

2(20*30+30*40+20*10)

2(600+1200+200)

4000cm^2

TSA of 1 tin box = 4000cm^2

TSA of 10 = 4000*10= 40000cm ^2

= 400m^2

cost of 1 tin box= 25

400*25

10000 rupees

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