Question

class 9 CBSE maths. plz say the answer​

Answer 1

Answer:

x=55°

Step-by-step explanation:

2x= 110° (Theorem 10.8- Angle Subtended by an arc at the center is double the angle subtended by it at any point on the remaining part of the circle)

x=110/2

x=55°

Hope It Helps :)

Answer 2

Answer:

reflex angle O = 110 degree (Given)

x = 1 × 110 = 55 degree

__

2

Ans. 55 degree

Step-by-step explanation:

Formula : Circumference angle = 1/2 of centre angle

On, applying the above formula we have got the ans.

Hope it helps.