In the figure, O is centre of the circle. What is the measure of $∠ABC$ ?
Answer & explanation
Correct answer: option 2
The measurement of $∠ABC$ = 180 - \(\frac{∠AOC}{2}\)
= 180 - \(\frac{150}{2}\) = 105o
The correct answer is option (2) : 105°
In the figure, O is centre of the circle. What is the measure of $∠ABC$ ?
Correct answer: option 2
The measurement of $∠ABC$ = 180 - \(\frac{∠AOC}{2}\)
= 180 - \(\frac{150}{2}\) = 105o
The correct answer is option (2) : 105°