Question

16. The dimensions of an oil tin are 26 cm x 26 cm x 45 cm. Find the area of the tin sheet required for
making 20 such tins. If 1 sq m of the tin sheet costs 10, find the cost of tin used for these 20 tiins.​

Answer 1

Answer:

Given,

Length = 26cm

breadth = 26cm

Height = 45 cm

Therefore total surface area = 2(lb+bh+hl)

T.S.A = 2(26*26 + 26*45 + 45*26)

T.S.A = 2(676 + 1170 + 1170)

T.S.A = 6032 cm2

Therefore area of 20 such tins is = 6032 * 20

= 120640cm2

In meters = 12.064 m2

Therefore cost of 20 tins = 12.064 * 10 = Rs.120.64

Answer 2

Answer:

Rs.120.64

Step-by-step explanation:

Given,

Length = 26cm

breadth = 26cm

Height = 45 cm

Therefore total surface area = 2(lb+bh+hl)

T.S.A = 2(26*26 + 26*45 + 45*26)

T.S.A = 2(676 + 1170 + 1170)

T.S.A = 6032 cm2

Therefore area of 20 such tins is = 6032 * 20

= 120640cm2

In meters = 12.064 m2

Therefore cost of 20 tins = 12.064 * 10 = Rs.120.64