Question : In
Option 1: 75°
Option 2: 80°
Option 3: 70°
Option 4: 90°
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Correct Answer: 90°
Solution :
In
⇒
PM is the angle bisector of
Apply angle sum property in
⇒
⇒
⇒
In
Let
⇒
⇒ 90° – b + b +
⇒
Hence, the correct answer is 90°.
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