Question

The volume of a cuboid 15 cm x 40 cm x h cm is equal to volume of a cube having side 21 cm. then the height of cuboid is *

2 points

15.435

25 cm

16.453

21 cm

60?


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Answer 1

Answer:

hii answer is

Step-by-step explanation:

Volume of a cuboid = (length × breadth × height) cubic units.

= (l × b × h) cubic units.

(Since area = ℓ × b)

Volume of a cuboid = area of one surface × height cubic units

Let us look at the given cuboid.

The length of the cuboid = 5 cm

The breadth of the cuboid = 3 cm

The height of cuboid (thickness) = 2 cm

The number of 1 cm cubes in the given cuboid = 30 cubes = 5 × 3 × 2

We find that volume of the given cuboid with length 5 cm, breadth 3 cm and height 2 cm is 30 cu cm.

Answer 2

Answer:

volume of cuboid =volume of cube

$lbh = {s}^{3} \\ h = \frac{21 \times 21 \times 21}{15 \times 40} \\ \\h = 15.435$