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In a triangle ABC, angle BAC= 90^@ and A...

In a `triangle ABC`, `angle BAC= 90^@` and AD is perpendicular to BC where D is a point on BC. If BD = 4 cm and CD = 5cm then the length of AD is equal to:

A

`5sqrt(2)` cm

B

`2sqrt(5)` cm

C

`6` cm

D

`4.5` cm

Text Solution

Verified by Experts

The correct Answer is:
B
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