Question

An equilateral triangle ABC is inscribed in a circle with Centre O. Find the measure of ∠ .​

Answer 1

Step-by-step explanation:

We have,

ΔABC is an equilateral triangle

Since, each angle is 60

o

.

Now, using property Angle subtend at the centre of circle is double angle at any point on circumference of circle

∠BOC=2∠BAC

∠BOC=2×60

o

∠BOC=120

o

Hence, this is the answer.