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CBSE Notes 2011-2012 » X-Mathematics-Term2

# Circles

## A line touches a circle of radius 4 cm. Another line is drawn which is tangent to the circle. If the...

Multiple choice question

A line touches a circle of radius 4 cm. Another line is
drawn which is tangent to the circle. If the two lines are
parallel then distance between them is

## Two parallel lines touch the circle at points A and Brespectively. The area of the circle is 25 n c...

Multiple choice question

Two parallel lines touch the circle at points A and B
respectively. The area of the circle is 25 π cm2, then AB is
equal to

## Number of tangents to a circle which are parallel to a secant is

Multiple choice question

Number of tangents to a circle which are parallel to a secant is

## A tangent PQ at a point P of a circle of radius 7 cm meets a line through centre O at a point Q so t...

Multiple choice question

A tangent PQ at a point P of a circle of radius 7 cm meets a line through centre O at a point Q so that OQ = 25 cm length PQ is

## The length of the segment of the tangent from the external point and the point of contact with the c...

Multiple choice question

The length of the segment of the tangent from the external point and the point of contact with the circle is called the length of

## C (O, r1) and C (O, r2) are two concentric circles with r1 > r2. AB is a chord of C (O, r1) touching...

Multiple choice question

C (O, r1) and C (O, r2) are two concentric circles with r1 > r2. AB is a chord of C (O, r1) touching C (O, r2) at C then