Circle

Two concentric circles are of radii 6.5 cm and 2.5 cm. Find the length of the chord of the larger circle which touches the smaller circle

• 10 cm

• 12 cm

• 11 cm

• 7 cm

From the figure from a point P which is at a distance 13 cm from the centre O of a circle of radius 5 cm , the pair of tangents AP and BP to the circle are drawn. Then the area of the quadrilateral PAOB is

A line intersecting a circle in two distinct points is called

• Tangent

• Secant

• Centre

• Radius

If two tangents are drawn from an external point then they subtend equal angles at the centre

• TRUE

• FALSE

What is the equation of the circle shown in the graph?

Mathematical Equivalence

ON

The length of tangent from a point A at a distance of 5 cm from the centre of the circle is 4 cm. What is the radius of the circle?

• 2 cm

• 3 cm

• 4 cm

• 5 cm

In two concentric circles the chord of the larger circle, which touches the smaller circle, is bisected at the point of contact

• TRUE

• FALSE

If a point P lies outside the circle then only two tangents can be drawn to the circle from P

• TRUE

• FALSE

What is the radius of a unit circle?

• 1

• 2

• 1/2

• 0