- The distance between two parallel tangents of acircle of radius 4 cm is
- 2cm
- 4cm
- 6cm
- 8cm
- 135°
- 145°
- 165°
- 155°
- A tangent is drawn from a point at a distance of 17 cm of circle C(0, r) of radius 8 cm. The length of its tangent is
- 5cm
- 9cm
- 15cm
- 23cm
- The length of tangents drawn from an external point to the circle
- are equal
- are not equal
- sometimes are equal
- are not defined
- Number of tangents drawn at a point of the , circle is/are
- One
- Two
- infinite
- None
- The tangents drawn at the extremities of the diameter of a circle are
- perpendicular
- parallel
- equal
- None
- Tangents from an external point to a circle are
- Equal
- not equal
- parallel
- perpendicular
- The length of a tangent drawn from a point at a distance of 10 cm of circle is 8 cm. The radius of the circle is
- 4cm
- 5cm
- 6cm
- 7cm
- From a point P which is at a distance of 13 cm from the centre O of a circle of radius 5 cm, the pair of tangents PQ and PR to the circle are drawn. Then the area of the quadrilateral PQOR is
- 60 cm²
- 65 cm²
- 30 cm²
- 32.5 cm²
- In the given figure, AB and AC are tangents to the circle with centre O such that ∠BAC = 40°, then ∠BOC is equal to
- 40°
- 50°
- 140°
- 150°
- In the given figure, point P is 26 cm away from the centre O of a circle and the length PT of the tangent drawn from P to the circle is 24 cm. Then the radius of the circle is
- 25cm
- 26cm
- 24cm
- 10cm
- A line through point of contact and passing through centre of circle is known as
- tangent
- Chord
- normal
- segment
- Two parallel lines touch the circle at points A and B respectively. If area of the circle is 25 n cm2, then AB is equal to
- 5cm
- 8cm
- 10cm
- 25cm
- From a point P which is at a distance of 13 cm from the centre O of a circle of radius 5 cm, the pair of tangents PQ and PR to the circle are drawn. Then the area of the quadrilateral PQOR is
- 60 cm²
- 65 cm²
- 30 cm²
- 32.5 cm²
- In figure AT is a tangent to the circle with centre O such that OT = 4 cm and ∠OTA = 30°. Then AT is equal to
- 4cm
- 2cm
- 2√3 cm
- 4√3 cm
- Three circles touch each other externally. The distance between their centres is 5 cm, 6 cm and 7 cm. Find the radii of the circles.
- 2 cm, 3 cm, 4 cm
- 2 cm, 1 cm, 4 cm
- 2 cm, 3.5 cm, 4.5 cm
- 4 cm, 3 cm, 1 cm
- A point P is 13 cm from the centre of the circle. The length of the tangent drawn from P to the circle is 12cm. Find the radius of the circle.
- 5cm
- 7cm
- 10cm
- 12cm
- In a circle of radius 17 cm, two parallel chords are drawn on opposite sides of a diameter. The distance between the chords is 23 cm. If the length of one chord is 16 cm, then the length of the other is
- 15cm
- 30cm
- 23cm
- None
- The distance between the centres of equal circles each of radius 3 cm is 10 cm. The length of a transverse tangent AB is
- 10cm
- 8cm
- 6cm
- 4cm
- A point P is 10 cm from the center of a circle. The length of the tangent drawn from P to the circle is 8 cm. The radius of the circle is equal to
- 4cm
- 5cm
- 6cm
- None