The lateral surface area of a cuboid with dimensions 12 cm × 9 cm × 5 cm is
A) 540 cm2
B) 210 cm2
C) 426 cm2
D) 213 cm2
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Find the volume, the lateral surface area and the total surface area of the cuboid whose dimensions are: (i) length = 12 cm, breadth = 8 cm and height
Correct Answer - (i) `432 cm^(3), 180 cm^(2), 372 cm^(2)` (ii) `2366 m^(3), 520m^(2), 1248 m^(2)` (iii) `45 m^(3), 21 m^(2), 201 m^(2)` (iv) `36m^(3), 291 m^(2), 303 m^(2)`
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The total surface area of solid cylinder is `231 cm^(2)` and its curved surface area is `(2)/(3)` of the total surface area. Find the volume of the cy
Correct Answer - `269.5 cm^(3)`
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A ray of light incident with 45° on one of the lateral surface of an equilateral prism placed on the horizontal surface of a table.
Correct option is B) 30°
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Three cubes each of volume 64 cm^3 are joined end to end to form a cuboid. Find the total surface area of the cuboid so formed?
Let l be the side of the cube and L, B, H be the dimensions of the cuboid Since l3 = 64 cm3 ∴ l = 4 cm Total surface area of cuboid is...
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Surface area of a cuboid whose length, breadth and height are 10 cm, 8 cm and 8 cm is
Correct option is (C) 448 cm2 Surface area of cuboid \(=2\,(lb+bh+hl)\) \(=2\,(10\times8+8\times8+8\times10)\) \(=2\,(80+64+80)\) \(=2\times224=448\,cm^2\)
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Surface area of a cuboid whose length, breadth and height are 10 cm, 8 cm and 8 cm is
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If each dimension of a cuboid is increased by 4 times, then the total surface area becomes …………….. times the original area.
Correct option is (D) 16 Let \(l,b\;and\;h\) are length, breadth and height of the original cuboid. After increasing each dimension of cuboid by 4 times, length of formed cuboid \(=4\,l,\) breadth of formed cuboid = 4b and height of formed...
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If each dimension of a cuboid is increased by 4 times, then the total surface area becomes …………….. times the original area.
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The lateral surface area of a cuboid with dimensions 12 cm × 9 cm × 5 cm is
Correct option is (B) 210 cm2 Lateral surface area of cuboid \(=2\,(l+b)h\) \(=2\,(12+9)\times5\) \(=10\times21\) = \(210\,cm^2\)
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1. The volume of the structure built by Akshra , 2. If Akshra formed a cuboid using all that cubes, then the total surface area of cuboid is
1. B) 405 cm3 2. C) 405 cm2 3. D) 8 4. D) 4 : 9
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