English, asked by dancer2006, 4 months ago

Friends please help me......​

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Answers

Answered by ItsBlueberry
3

Answer:

..3 will be ur answer dear.

Answered by krishnas10
1

Answer:

2√3

Explanation:

using pythagorus theorem

AB^2-BD^2=AD^2

4^2 - 2^2=AD^2

AD^2=16-4=12

AD=√12

AD=2√3

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