PQ is the chord of a circle whose centre is O. ROS is a line segment originating from a point R on the circle that intersect PQ produced at point S such that QS = OR. If ∠QSR = 30°, then what is the value (in degrees) of POR?

PQ is the chord of a circle whose centre is O. ROS is a line segment originating from a point R on the circle that intersect PQ produced at point S such that QS = OR. If ∠QSR = 30°, then what is the value (in degrees) of POR?
1). 30
2). 45
3). 60
4). 90

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (1+5)
Submit:

Other Questions

1. If the difference between interior and exterior angle of a regular polygon is 60° then what is the sum of interior angles of the polygon?

2. PQ is the chord of a circle whose centre is O. ROS is a line segment originating from a point R on the circle that intersect PQ produced at point S such that QS = OR. If ∠QSR = 30°, then what is the value (in degrees) of POR?

3. A cyclic quadrilateral ABCD is such that AB = BC, AD = DC,$AC\bot BD$, $\angle CAD$ = $\theta$.Then the angle $\angle ABC$ =

4. In $\triangle ABC$, PQ is parallel to BC. If AP : PB - 1 : 2 and AQ = 3 cm; AC is equal to

5. The triangle ABC and DEF are similar to each other. The measure of the angle A and E is 67 and 83 degree respectively. What is the value of angle C?

6. What is the reflection of the point (5, -2) in the line x = -1?

7. If 'O' is the in-centre of the ΔPQR. If ∠POR = 115°, then value of ∠PQR is

8. In an isosceles triangle, if the vertex angle is twice the sum of the base angles, then the measure of the half of the vertex angle of the triangle is

9. If the supplement of an angle is (5/2) of its complement, then find the angle.

10. Two circles having radii r units intersect each other in such a way that each of them passes through the centre of the other. Then the length of their common chord is