The volume, length and breadth of a cuboid are 60 cm3 , 5 cm, 4 cm then its height is
A) 3 cm
B) 4 cm
C) 5 cm
D) 1.5 cm
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)`
2 Answers 1 viewslet length of the rectangle be L and breadth be B so by the problem perimeter 2(IL+B)=34 => L+B =17 .......(1) => L2+B2+2LB=289 ..........(2) and the square of the diagonal = L2+B2=132 =169 .....(.3) By...
2 Answers 1 viewsLet 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...
2 Answers 1 viewsCorrect option is (C) 448 cm2 Surface area of cuboid \(=2\,(lb+bh+hl)\) \(=2\,(10\times8+8\times8+8\times10)\) \(=2\,(80+64+80)\) \(=2\times224=448\,cm^2\)
2 Answers 1 viewsCorrect option is (A) 3 cm Height of cuboid \(h=\frac V{lb}\) \(=\frac{60}{5\times4}\) = 3 cm
2 Answers 1 views1. B) 405 cm3 2. C) 405 cm2 3. D) 8 4. D) 4 : 9
2 Answers 1 viewsCorrect option is A) 53
2 Answers 1 viewsCorrect option is D) 5
2 Answers 1 views