A day full of math games & activities. Find one near you.

Find the decimal fraction which when multiplied by itself gives 84.64.

Solution:

Given, a decimal fraction is multiplied by itself.

The product is 84.64.

We have to find the decimal fraction.

Let the decimal fraction be x.

According to the question,

x × x = 84.64

x² = 84.64

Square root is an inverse operation of a square.

So, x = √84.64

Long division method is an easy method to get the accurate square root of numbers.

There are 5 main operations that are used- divide, multiply, subtract, bring down and repeat.

By using long division,

$Find the decimal fraction which when multiplied by itself gives 84.64$

So, √84.64 = 9.2

Therefore, x = 9.2

✦ Try This: Find the decimal fraction which when multiplied by itself gives 56.25.

☛ Also Check: NCERT Solutions for Class 8 Maths

NCERT Exemplar Class 8 Maths Chapter 3 Problem 112

Find the decimal fraction which when multiplied by itself gives 84.64

Summary:

The decimal fraction which when multiplied by itself gives 84.64 is 9.2

☛ Related Questions: