The length of each side of a square whose diagonals are 10 cm each, is:

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NTPC CBT-I (Held On: 7 Jan 2021 Shift 2)
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  1. 5 cm
  2. 7 cm
  3. 5√2 cm
  4. 10√2 cm

Answer (Detailed Solution Below)

Option 3 : 5√2 cm
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Detailed Solution

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Given:

Diagonal of square = 10 cm

Formula used:

Diagonal of square = √2a

Calculation:

According to the question

⇒ √2a = 10 cm

⇒a = 10\√2 cm

⇒ a = 5√2 cm

∴ The length of each side of a square whose diagonals are 10 cm each is 5√2 cm

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