In the figure, O is centre of the circle

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Geometry

Question:

In the figure, O is centre of the circle. What is the measure of $∠ABC$ ?

Options:

210°

105°

100°

150°

Correct Answer:

105°

Explanation:

The measurement of $∠ABC$ = 180 - $\frac{∠AOC}{2}$

= 180 - $\frac{150}{2}$ = 105^o

The correct answer is option (2) : 105°