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In triangleABC, angleA = 90^@. The perpe...

In `triangleABC, angleA = 90^@`. The perpendicular from A upon BC meets. BC at D. If BC = 9cm., BD = 4cm., then the length of AB is

A

6cm.

B

8cm.

C

10cm.

D

12cm.

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UNITED BOOK HOUSE-Pythagoras Theorem-Exercise
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