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Out of the following, which is the Pythagorean triplet? (A) (1, 5, 10) (B) (3, 4, 5) (C) (2, 2, 2) (D) (5, 5, 2) - Geometry Mathematics 2

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प्रश्न

Out of the following, which is the Pythagorean triplet?

विकल्प

  • (1, 5, 10)

  • (3, 4, 5)

  • (2, 2, 2)

  • (5, 5, 2)

MCQ
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उत्तर

(3, 4, 5)

Explanation:

(A) In the triplet (1, 5, 10),

12 = 1, 52 = 25, 102 = 100 and 1 + 25 = 26 ≠ 100 

The square of the largest number is not equal to the sum of the squares of the other two numbers.

∴ (1, 5, 10) is not a Pythagorean triplet.

(B) In the triplet (3, 4, 5),

32 = 9, 42 = 16, 52 = 25 and 9 + 16 = 25

The square of the largest number is equal to the sum of the squares of the other two numbers.

∴ (3, 4, 5) is a Pythagorean triplet.

(C) In the triplet (2, 2, 2),

22 = 4, 22 = 4, 22 = 4 and 4 + 4 = 8 ≠ 4

The square of the largest number is not equal to the sum of the squares of the other two numbers.

∴ (2, 2, 2) is not a Pythagorean triplet.

(D) In the triplet (5, 5, 2),

22 = 4, 52 = 25, 52 = 25 and 4 + 25 = 29 ≠ 25

The square of the largest number is not equal to the sum of the squares of the other two numbers.

∴ (5, 5, 2) is not a Pythagorean triplet.

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अध्याय 2: Pythagoras Theorem - Problem Set 2 [पृष्ठ ४३]

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