Question

plz answer me. ...
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Answer 1

Answer:45 degree

Step-by-step explanation:

angle BOC = 1/2 angle BAC

There's  a property about it

So, x = (180 - 90) /2

=45 degree

Answer 2

Answer:

angle A = 90° (because the angle made on diameter of a circle)

angle B= angle C ( Given)

let angle B and angle C be X

then by the angle sum property of a triangle

=> angle A + angle B + angle C= 180°

=> 90° + X + X = 180°

=> 2X = 180°- 90°

=> 2X = 90°

=> X = 45°

Step-by-step explanation:

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