NCERT Class 8 Mathematics Solutions: Chapter 6 – Squares and Square Roots Exercise 6.2 Part 1

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Example of squares and square roots

Example of Squares and Square Roots

Example of squares and square roots

Question 1 Find the squares of the following numbers:

(i) 32

(ii) 35

(iii) 86

(iv) 93

(v) 71

(vi) 46

Answer:

(i) 32

=

(ii) 35

=

(iii) 86

=

(iv) 93

(v) 71

(vi) 46

Question: 2 Write a Pythagoras triplet whose one member is:

(i) 6

(ii) 14

(iii) 16

(iv) 18

Answer:

(i) 6

There are three numbers and in a Pythagorean Triplet.

Here,

Therefore,

Second number

Third number =

=

=

Hence, Pythagorean triplet is (6, 8, 10).

(ii) 14

There are three numbers and in a Pythagorean Triplet.

Here,

Therefore,

Second number

Third number =

=

=

Hence, Pythagorean triplet is (14, 48, 50).

(iii) 16

There are three numbers and in a Pythagorean Triplet.

Here,

Therefore,

Second number

Third number =

=

=

Hence, Pythagorean triplet is (16, 63, 65).

(iv) 18

There are three numbers and in a Pythagorean Triplet.

Here,

Therefore,

Second number

Third number =

=

=

Hence, Pythagorean triplet is (18, 80, 82).