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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Question : The angle subtended by a chord on the major arc of the circle is 50°. What is the angle subtended by the same chord on the centre of the circle?
Question : The radius of a circle is 10 cm. What will be the angle made by a chord of length 20 cm on the circumference of this circle?
Question : The chord of a circle is equal to its radius. The angle (in degrees) subtended by this chord at any point on the minor arc of the circle is:
Question : The diameter of a circle is 20 cm. The length of a chord AB is 10 cm. What will be the angle made by this chord at the centre of this circle?
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