Question : The angle subtended by a chord on the centre of a circle is 180°. What will be the angle subtended by the same chord on the circumference of this circle?
Option 1: 120°
Option 2: 95°
Option 3: 90°
Option 4: 45°
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Correct Answer: 90°
Solution :
The angle subtended by a chord at the centre is twice the angle subtended on the circumference.
Angle subtended on the circumference = $\frac{180°}{2}$ = 90°
Therefore, the angle subtended by the same chord on the circumference is 90°.
Hence, the correct answer is 90°.
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