Tangents and Radius in Circles

Diagram shows a tangent to a circle.

• True

• False

Value of x is equal to 90°

• True

• False

What can you conclude from the picture?

• m is parallel to circle C

• m is skew to circle C

• m bisects circle C

• m is tangent to circle C

A tangent to a circle is ________________________ to the radius drawn to the point of tangency.

• congruent

• perpendicular

• complimentary

• supplementary

The length of the tangents that can drawn to a circle of 7 cm radius from external point which is 25 cm away from the center

• 32 cm

• 25 cm

• 24 cm

• 18 cm

In the figure,PA and PB are the tangents to a circle of center 'O'. ∠AOB= 120⁰ then ∠APB =

• 60⁰

• 30⁰

• 120⁰

• 75⁰

In the figure,PA and PB are the tangents to a circle of centre 'O'. If ∠APB = 48⁰ then ∠AOP =

• 68⁰

• 66⁰

• 56⁰

• 76⁰

In the figure,PA and PB are the tangents to a circle of centre 'O'. If ∠AOP = 45⁰ then ∠APB =

• 65⁰

• 135⁰

• 90⁰

• 22.5⁰

The length of the tangents that can drawn to a circle is 20 cm radius from external point which is 25 cm away from the center is

• 30 cm

• 12 cm

• 15 cm

• 18 cm

The limit of a secant to a circle is a ……… to the circle

• Chord

• Diameter

• Arc

• Tangents