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In ΔABC, BC2 + AB2 = AC2, then is a right angle.

(A) ∠A 

(B) ∠B 

(C) ∠C 

(D) ∠A and ∠B

2 Answers

+1 vote
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Best answer

Correct option is (B) ∠B

\(\because\) \(BC^2+AB^2=AC^2\) in \(\triangle ABC\)

\(\therefore\) AC is hypotenuse in \(\triangle ABC\)

\(\therefore\) Angle opposite to AC is right angle.

\(\therefore\) \(\angle B\) is a right angle.

+1 vote
by (35.1k points)

Correct option is: (B) ∠B

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