Question

A water reservoir is in the shape of a cuboid . Its length is 15 m . If 47.25 kilolitres of water is removed from the reservoir , the water level in it goes down by 35 cm. Find the width of the reservoir​

Answer 1

Step-by-step explanation:

Given:A water reservoir is in the shape of a cuboid . Its length is 15 m . If 47.25 kilolitres of water is removed from the reservoir , the water level in it goes down by 35 cm.

To find: Find the width of the reservoir.

Solution:

We know that volume of cuboid is

V= length×breadth×height

Length = 15 m

Height of reservoir = 35 cm (as water level)

47.25 kiloliters = 47.25 m³

Convert height in m= 0.35 m

Put the values in the formula of volume

$47.25 = 15 \times width \times 0.35 \\ \\ width = \frac{47.25}{15 \times 0.35} \\ \\ or \\ \\ width = \frac{4725}{15 \times 35} \\ \\ width = 9 \: m$

Final answer:

Width/breadth of reservoir is 9 m.

Hope it helps you.

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