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Question

ΔABC is a right angled triangle. Find the length of AC. Given that BC = 3 units; AB = 4 units.


A

11 units

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B

7 units

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C

4 units

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D

5 units

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Solution

The correct option is D

5 units


In ΔABC,

AB2 + BC2 = AC2; [By Pythagoras theorem]

AC2=32+42

AC2=25

AC = 5 units


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