हिंदी

If the length of diagonal of square is sqrt(2), then what is the length of each side? (A) 2 (B) sqrt(3) (C) 1 (D) 4

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प्रश्न

If the length of diagonal of square is `sqrt(2)`, then what is the length of each side?

विकल्प

  • 2

  • `sqrt(3)`

  • 1

  • 4

MCQ
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उत्तर

1

Explanation:


Let ABCD be the given square.

In ∆ABC,

∠B = 90°

∴ AC2 = AB2 + BC2    ...[Pythagoras theorem]

∴ `(sqrt(2))^2 = AB^2 + AB^2`   ...[Sides of the square]

∴ 2 = 2AB2

∴ AB2 = 1

∴ AB = 1 unit

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