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°

Question : The angle subtended by a chord PQ on the centre of a circle is 180°. If the length of chord PQ is 54 cm, then what will be the diameter of this circle?

Option 1: 54 cm

Option 2: 81 cm

Option 3: 27 cm

Option 4: 64 cm

Question : The angle subtended by a chord MN on the circumference of a circle is 90 degrees. If the radius of the circle is 12 cm, then what will be the length of the chord MN?

Option 1: 30 cm

Option 2: 24 cm

Option 3: 6 cm

Option 4: 36 cm

Question : The length of a chord is 40 cm. If the angle subtended by this chord at the circumference of the circle is 90 degrees, then what will be the radius of this circle?

Option 1: 15 cm

Option 2: 25 cm

Option 3: 80 cm

Option 4: 20 cm

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?

Option 1: 90°

Option 2: 120°

Option 3: 180°

Option 4: 135°