Question

(112)X id diagonal 2nd diagonal =area of?​

Answer 1

Answer:

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Step-by-step explanation:

Solution :-

REF.Image

We know diagonals bisects at right angle

∴ In △AOD

AO

2

+OD

2

=AD

2

(3)

2

+(4)

2

=AD

2

⇒AD=5cm