Which Theorem to use ???

Question 1

Which Theorem would you use?

Answer 1

Angles in same segment

Question 2

Which Theorem would you use?

Answer 2

Angles in a semicircle is 90 degrees

Question 3

Which Theorem would you use?

Answer 3

Angle at centre is twice the angle at the circumference

Question 4

Which Theorem would you use?

Answer 4

Alternate Segment

Question 5

Which Theorem would you use?

Answer 5

Cyclic Quadrilateral

Question 6

Which Theorem would you use?

Answer 6

Angle at centre is twice the angle at circumference

Question 7

Which Theorem would you use?

Answer 7

Alternate Segment

Question 8

Which Theorem would you use?

Answer 8

Angles in the same segment

Question 9

Which Theorem would you use?

Answer 9

Angle in a semi circle

Question 10

Which Theorem would you use?

Answer 10

Cyclic Quadrilateral

Question 11

Which Theorem would you use?

Answer 11

Angles in the same segment

Question 12

Which Theorem would you use?

Answer 12

Cyclic Quadrilateral

Question 13

Which Theorem would you use?

Answer 13

Alternate Segment

Question 14

Which Theorem would you use?

Answer 14

Angles in the same segment

Question 15

Which Theorem would you use?

Answer 15

Angle in a semicircle

Question 16

Which Theorem would you use?

Answer 16

Tangent of circle and Angle in semi circle

or

Alternate segment

Question 17

Which Theorem would you use?

Answer 17

Cyclic Quadrilateral

Question 18

Which Theorem would you use?

Answer 18

Angles in same segment