Uh-Oh! That’s all you get for now. We would love to personalise your learning journey. Sign Up to explore more. Sign Up or Login Skip for now Uh-Oh! That’s all you get for now. We would love to personalise your learning journey. Sign Up to explore more. Sign Up or Login Skip for now Lenght of the box, l = 20 cmBreadth of the box, b = 12 cm Height of the box, h = 10 cm ∴ Surface area of the vertical faces of the box= 2(l + b) × h= 2(20 + 12) × 10= 2 × 32 × 10 = 640 cm2 Also,Total surface area of the box= 2(lb + bh + hl)= 2(20 × 12 + 12 × 10 + 10 × 20)= 2(240 + 120 + 200)= 2 × 560= 1120 cm2 Thus, the surface area of vertical faces and total surface area of the box is 640 cm2 and 1120 cm2, respectively. |
What is the total surface area of a cuboidal box whose length width and height are 20 cm 25 cm and 10 cm respectively?
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