Question

a book is 30cm long and 4 cm thick if the volume of the book is 2400 cm cuboid find the width of the book​

Answer 1

Answer:

Explanation before the Solution:

→ In this question Length and Height is given and we have to find the Breadth of the book

→ Now, the volume of the book is also given!

What to do?

1. First Write the Volume of the book in Left - Hand - Side.
2. And formula of the Volume in Right - Hand - Side.
3. Put the values according to the formula.
4. And you will get your answer!

Given:

Length (L) = 30 CM

Height (H) = 4 CM

Volume = 2400 CM³

To Find?

Width of the book Or Breadth of the Book.

So, Let the Breadth be = B CM.

Formula ↓

Volume = Length × Breadth × Height

Solution ↓

→ V = L × B × H

→ 2400 = 30 × B × 4

→ 2400 = 120 × B

→ 2400 = 120B

→ 2400 / 120 = B

→ 20 cm = B

So, 20 CM is the Breadth or Width!