What is the value of an angle subtended by a chord at the center of the circle if the angle subtended by this chord at the circumference is 66"?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 1 i.e. .
Angle at the center = 2 × 66° = 132°
Therefore, the angle value subtended by the chord at the circle's center is 132°.