Question

find the surface area of a wooden box having length 3 cm width 2 cm height 4 cm also find the cost of painting 220 per centimetre square.​

Answer 1

Answer ⤵️

We know that,

Surface Area of a wooden box= 2(lb+bh+lh)

Surface Area of a wooden box= 2[(3×2)+(2×4)+(3×4)]

Surface Area of a wooden box= 2(6+8+12)

Surface Area of a wooden box= 2×26= 52 cm²

The cost of painting = 220×52=₹11,440

.

. . So, the cost of painting is ₹11,440

Step-by-step explanation:

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