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Question

In a ΔABC, if b2=a2+c2 then B is :

A
in [π4,π2]
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B
Acute
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C
Obtuse
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D
π2
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Solution

The correct option is D π2
From Pythagoras theorem
b2=a2+c2
i.e., AC2=BC2+AB2
B=90o.

1191670_1195600_ans_e1e53facbd6d49caba61fefff6ec8d64.jpg

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