a wooden box 2m long, 1m wide and 50cm deep is open at the top. determine the cost of wood required for it, if one sq.m of wood costs 10 per rupees
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We need to do By taking Lateral Surface Area of Cuboid.
Formula= 2(Length+Breath)×Height.
Solution= 2×(2+1)×0.50 {Convert 50 cm into metre}.
2×3×0.50
3m² is LSA or 4 sides of box.
Now 1 side area of box = Length×Breath.
2×1=2m²
Now Area of 5 sides =3+2m²=5m²
Now total cost of wood = 5×10=50ruppes
Formula= 2(Length+Breath)×Height.
Solution= 2×(2+1)×0.50 {Convert 50 cm into metre}.
2×3×0.50
3m² is LSA or 4 sides of box.
Now 1 side area of box = Length×Breath.
2×1=2m²
Now Area of 5 sides =3+2m²=5m²
Now total cost of wood = 5×10=50ruppes
devsharma68:
thanks bhai
Np
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