Question

Q 12
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Answer 1

Answer:

40degree

Step-by-step explanation:

bcoz an angle formed by a chord on centre of circle is twice the angle formed the chord on the circumference of the circle: theory class 9

Answer 2

Answer:

the answer is 40 degrees

Step-by-step explanation:

by degree measure theorem that is the angle made by any chord on any point on a circle is half of the angle made by that chord on the centre

so x= 80/2=40