Mathes urdu

In Fig, the pair of

tangents AP and AQ drawn from an external point

A to a circle with centre O are perpendicular to

each other and length of each tangent is 5 cm.

Then the radius of the circle is (click image).

• 10 cm

• 7.5 cm

• 5 cm

• 2.5 cm

In Fig , if PA and PB are tangents

to the circle with centre O such that

∠APB = 50°, then ∠OAB is equal

to ( click on image )

• 25°

• 30°

• 40°

• 50°

How many tangents can be drawn to a circle from an external point.

• 1

• Infinite

• Zero

• 2

If angle between two radii of a circle is 130º, the angle between

the tangents at the ends of the radii is

• 90º

• 50º

• 70º

• 40º

a line that

intersects the circle at only one point is called

• Sectan

• Radius

• Tangent

• Chord

The angle between The tangent at any point of a circle is to the

radius through the point of contact is.

• 180 dgr

• 90 dgr

• 45 dgr

• 0 dgr

How many tangents to a circle passing

through a point lying inside the circle

• One

• 2

• Zero

• Infinite

In Fig , if TP and TQ are the two tangents

to a circle with centre O so that ∠ POQ = 110°,

then ∠ PTQ is equal to

• (A) 60°

• 70°

• 80°

• 90°

Radius of the circle is 4.5 cm .if tangents are parallel to each other. Then the distance between the tangents is

• 9 cm

• 4.5 cm

• 2.5 cm

• 8 cm

the parallelogram circumscribing a

circle is a

• Rectangle

• Rhombus.

• Squre

• Trapezium