Question

A cuboidal oil tin is 30cm by 40 cm by 50cm. Find the cost of tin required for making 20 if the cost of tin sheet is essential 20 per square metre

Answer 1

Answer:

376 Rs  happy new year in advance

Step-by-step explanation:

l=30cm = 0.3m

b=40cm = 0.4m

h=50cm = 0.5m

TSA = 2(lb+bh+hl)

         substitute u get = 0.94 sq m

        we need 20 so 20* 0.94 = 18.8 sq m

              20rs = 1 sq m

        20* 18.8 = 376Rs