Home
Class 12
MATHS
Let PQ and RS be tangents at the extremi...

Let PQ and RS be tangents at the extremities of the diameter PR of a circle of radius r. If PS and RQ intersect at apoint X on the circumference of the circle, then 2r equals `:`

A

`sqrt(PQ. RS)`

B

`(PQ+RS)/(2)`

C

`(2PQ.RS)/(PQ+RS)`

D

`sqrt((PQ^(2)+RS^(2))/(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Let PQ and RS be tangents at the extremities of the diameter PR of a circle of radius r. If PS and RQ intersect at a point X on the circumference of the circle, then 2r equals

Let P Q and R S be tangent at the extremities of the diameter P R of a circle of radius r . If P S and R Q intersect at a point X on the circumference of the circle, then prove that 2r=sqrt(P Q xx R S) .

Let P Q and R S be tangent at the extremities of the diameter P R of a circle of radius r . If P S and R Q intersect at a point X on the circumference of the circle, then prove that 2r=sqrt(P Q xx R S) .

If the sum of the circumferences of two circles with radii R_(1) and R_(2) is equal to the circumference of a circle of radius R, then

Write expression for circumference of a circle of radius 'r'

The locus of the mid-points of the chords of the circle of lines radiùs r which subtend an angle pi/4 at any point on the circumference of the circle is a concentric circle with radius equal to (a) (r)/(2) (b) (2r)/(3) (c) (r )/(sqrt(2)) (d) (r )/(sqrt(3))

A particle moves along the circumference of a circle of radius r when its completes one rotation.

If O is the centre of a circle with radius r and AB is a chord of the circle at a distance r/2 from O, then /_BAO=

The radius of a circle whose circumference is equal to the sum of the circumferences of the two circles of diameters 36 cm and 20 cm is

A chord PQ of a circle is parallel to the tangent drawn at a point R of the circle,Prove that R bisects the arc PRQ.