NCERT Class 8 Mathematics Solutions: Chapter 2 –Linear Equations in One Variable Exercise 2.2 Part 2

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Given this figure Subtracting in both side linear equaction

Subtracting in Both Side Linear Equaction

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Question: 3.The base of an isosceles triangle is the perimeter of the triangle is what is the length of either of the remaining equal sides?

Answer:

Base of isosceles triangle = Perimeter of triangle = Let the length of equal sides of triangle be

Perimeter of triangle

Hence, each equal side of an isosceles triangle is

Question: 4 Sum of two numbers is 95. If one exceeds the other by 15, find the numbers.

Answer:

Let the one of the number be

So, the other number will be

(Sum of the numbers given)

So, the first number is 40, and

Another number is

Hence, the two numbers are 40 and 55.

Question: 5 Two numbers are in the ratio 5:3. If they differ by 18, what are the numbers?

Answer:

Let the two number be 5x and 3x

Thus, the number is

= 5(9)

=45

and,

= 3(9)

=27

So, the numbers are 45 & 27.