Interaction between Line and Circle

IMPORTANT

Interaction between Line and Circle: Overview

This topic covers concepts such as tangent: special case of secant, circle, tangent to a circle, and circles passing through given number of points.

Important Questions on Interaction between Line and Circle

MEDIUM
IMPORTANT

Find the distance of the chord of length 16cm, from the centre of the circle of diameter 20cm?

EASY
IMPORTANT

Number of circles pass through three non-collinear points is equal to the number of circles pass through two distinct points.

EASY
IMPORTANT

Three circles pass through 3 collinear points.

EASY
IMPORTANT

Draw a tangent at any point P on the circle having radius 3 units

EASY
IMPORTANT

The tangent to a circle is a special case of the secant when the two endpoints of corresponding chord coincide

EASY
IMPORTANT

The tangent to a circle is a special case of the secant.

EASY
IMPORTANT

O is the center of the circle in the figure, and some line segments have been drawn. Find the two tangents to the circle

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EASY
IMPORTANT

O is the center of the circle in the figure, and some line segments have been drawn. Find the two intersecting lines of the circle

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MEDIUM
IMPORTANT

A chord is drawn of length 6 cm in a circle of radius 5 cm. What is the distance (in cm) the chord from the centre of the circle?

EASY
IMPORTANT

A straight line which passes through two points on a circle is

EASY
IMPORTANT

If the points, A, B, C are non-collinear points, then how many circles can be drawn which passes through points A, B and C?

EASY
IMPORTANT

A straight line passing through a point on a circle is

EASY
IMPORTANT

Line segment joining the centre and any point on the circle is a radius of the circle.

EASY
IMPORTANT

The tangent to a circle is a special case of the secant, when the two end points of its corresponding chord coincide.

HARD
IMPORTANT

The lengths of two parallel chords on one side of the centre of a circle are 6 cm and 8 cm. If they are at a distance of 1 cm, then the diameter of the circle will be

EASY
IMPORTANT

In the below figure O is the centre of the circle.

Fill in the blank is followed by the figure on your exercise book.

The line PQ is the _____ of the circle.

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EASY
IMPORTANT

In the below figure O is the centre of the circle.

Fill in the blank is followed by the figure on your exercise book.

The line segment CD is the _____ of the circle.

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EASY
IMPORTANT

In the below figure O is the centre of the circle.

Fill in the blank is followed by the figure on your exercise book.

The line segment AB is the _____ of the circle.

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EASY
IMPORTANT

Draw a circle with radius 2.5 cm with centre O. Take two points A and B on this circle so that AOB=60°. From the points A and B draw tangents to the circle AP and BP respectively. Write the measure of APB.

MEDIUM
IMPORTANT

Draw a circle of radius 2.5 cm. taking O as a centre. Take a point P on this circle. Draw the radius OP. Draw a normal perpendicular PT at the point of the line segment OP. Is PT a tangent of the circle?