Q10 of 141 Page 438

In the given figure, is the center of a circle and Find the values of and

Reflex ∠BOD = (360° – ∠BOD)


⇒ Reflex ∠BOD = (360° – 150°)


⇒ Reflex ∠BOD = 210°


Now,


X = (1/2) (Reflex ∠BOD)


⇒ X = (1/2) 210°


⇒ X = 105°


X + Y = 180°


⇒ 105° + Y = 180°


⇒ Y = 75°


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