Question

6) The area of a rectangular piece of cardboard is 63 sq cm and is length is 9cm .what is the width of the cardboard?
please answer fast​

Answer 1

Answer:

The width of the rectangular piece of cardboard will be 4 cm.

Step-by-step explanation:

Given: The area of a rectangular piece of cardboard is 36 sq. cm, and its length is 9cm.

We have to find the width of the cardboard.

As we know, the area of a rectangle is calculated by a formula:

       

Where,

l = length,

w = width

We are solving in the following way:

We have,

The area of a rectangular piece of cardboard is 36 sq. cm, and its length is 9cm.

Then, the width of the rectangular piece of cardboard will be:

Hence, the width of the rectangular piece of cardboard will be 4 cm.