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
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).