FRANK Solutions for Class 10 Maths Chapter 17 - Circles

Chapter 17 - Circles Exercise Ex. 17.1

Question 1

Solution 1

Question 2

Solution 2

Question 3

Solution 3

Question 4

Solution 4

Question 5

Solution 5

Question 6

Solution 6

Question 7

Solution 7

Question 8

Solution 8

Question 9

Solution 9

Question 10

Solution 10

Question 11

Solution 11

Question 12

Find the diameter of the circle if the length of a chord is 3.2cm and its distance from the centre is 1.2cm.

Solution 12

Question 13

Solution 13

Question 14

Solution 14

Question 15

Solution 15

Question 16

A chord of length 16.8cm is at a distance of 11.2cm from the centre of a circle. Find the length of the chord of the same circle which is at a distance of 8.4cm from the centre.

Solution 16

Question 17

A chord of length 6cm is at a distance of 7.2cm from the centre of a circle. Another chord of the same circle is of length 14.4cm. Find its distance from the centre.

Solution 17

Question 18

A chord of length 8cm is drawn inside a circle of radius 6cm. Find the perpendicular distance of the chord from the centre of the circle.

Solution 18

Question 19

Two circles of radii 5cm and 3cm with centres O and P touch each other internally. If the perpendicular bisector of the line segment OP meets the circumference of the larger circle at A and B, find the length of AB.

Solution 19

Question 20

Two chords AB and CD of lengths 6cm and 12cm are drawn parallel inside the circle. If the distance between the chords of the circle is 3cm, find the radius of the circle.

Solution 20

Question 21

Two chords of lengths 10cm and 24cm are drawn parallel o each other in a circle. If they are on the same side of the centre and the distance between them is 17cm, find the radius of the circle.

Solution 21

Question 22

Solution 22

Chapter 17 - Circles Exercise Ex. 17.2

Question 1

Solution 1

Question 2

Solution 2

Question 3

Solution 3

Question 4

Solution 4

Question 5

Solution 5

Question 6

Solution 6

Question 7

Solution 7

Question 8

Solution 8

Question 9

Solution 9

Question 10

Solution 10

Question 11

Solution 11

Question 12

Solution 12

Question 13

Solution 13

Question 14

Solution 14

Question 15

Solution 15

Question 16

Solution 16

Question 17

Solution 17

Question 18

Solution 18

Question 19

Solution 19

Question 20

Solution 20

Question 21

Solution 21

Question 22

Solution 22

Question 23

Solution 23

Question 24

Solution 24

Chapter 17 - Circles Exercise Ex. 17.3

Question 1

Find the length of the tangent from a point which is at a distance of 5cm from the centre of the circle of radius 3cm.

Solution 1

Question 2

Solution 2

Question 3

In fig., chords AB and CD of a circle intersect at P. AP = 5cm, BP= 3cm and CP = 2.5cm. Determine the length of DP.

Solution 3

Question 4

Solution 4

Question 5

Solution 5

Question 6

Solution 6

Question 7

Solution 7

Question 8

Solution 8

Question 9

Solution 9

Question 10

The length of the direct common tangent to two circles of radii 12cm and 4cm is 15cm. calculate the distance between their centres.

Solution 10

Question 11

Solution 11

Question 12

A point A is 17cm from the centre of the circle. The length of the tangent drawn from A to the circle is 15cm. find the radius of the circle.

Solution 12

Question 13

Solution 13

Question 14

Solution 14

Question 15

Solution 15

Question 16

Solution 16

Question 17

PA and PB are tangents from P to the circle with centre O. At M, a tangent is drawn cutting PA at K and PB at N. Prove that KN = AK + BN.

Solution 17

Question 18

Solution 18

Question 19

Solution 19

Question 20

Solution 20

Question 21

If all the sides of a parallelogram touch a circle, show that the parallelogram is a rhombus.

Solution 21

Question 22

Solution 22