Question

I want the answer of this question
1)plz give it systematically and right.
2)thank you.​

Answer 1

ANSWER

40 degree

CONCEPT :-

ANGLE BPC = 2 ANGLE BAC

solution

see attachment

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Answer 2

• Join AP
• BP= AP ( each equal to radius)
• angle ABP =angel BAP =15°
• BAP =15°
• AP=PC (= radius )
• angle ACP =angle PAC =25°
• PAC = 25°
• angle BAC = BAP +PAC
• Angle BAC = 15 +25 =40°
• BPC = 2(angle BAC ) : (the angle substended by an arc of a circle at the center is double the angle subtended by it at any point on the remaining part of the circle .)
• BPC = 2 × 40 = 80°
• BPC = 80°