ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle

ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle

Question 1.
Draw a circle with centre O and radius 2.5 cm. Draw two radii OA and OB such that ∠ AOB = 60°. Measure the length of the chord AB.
Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 1

Question 2.
Draw a circle of radius 3·2 cm. Draw a chord AB of this circle such that AB = 5 cm. Shade the minor segment of the circle.
Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 2

Question 3.
Find the length of the tangent drawn to a circle of radius 3 cm, from a point at a distance 5 cm from the centre.
Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 3

Question 4.
In the adjoining figure, PT is a tangent to the circle with centre C. Given CP = 20 cm and PT = 16 cm, find the radius of the circle.
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 4
Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 5

Question 5.
In each of the following figure, O is the centre of the circle. Find the size of each lettered angle :
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 6
Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 7
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 8
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 9
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 10
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 11
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 12
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 13
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 14
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 15

Question 6.
In each of the following figures, O is the j centre of the circle. Find the values of x and y.
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 16
Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 17
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 18
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 15 Circle 19

ML Aggarwal Class 8 Solutions for ICSE Maths