If O is the center of the circle, then the value of θ in the adjoining figure is
A
45∘
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
60∘
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
90∘
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
75∘
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D75∘ Angle made in full circle =360∘ So, 120∘+90∘ +Angle at centre =360∘ ⇒ Angle at centre =360∘−210∘=150∘ ∴ Angle at circumference of a circle =12(Angle at the centre)=150∘2=75∘