KSEEB Solutions for Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.5 Karnataka Board Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.5 Question 1. A matchbox measures 4 cm × 2.5 cm × 1.5 cm. What will be the volume of a packet containing 12 such boxes ? Solution: Match … Read more
KSEEB Solutions for Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.4 Karnataka Board Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.4 (Assume π = 22/7, unless stated otherwise) Question 1. Find the surface area of a sphere of radius : (i) 10.5 cm (ii) 5.6 cm (iii) 14 cm. Solution: … Read more
KSEEB Solutions for Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.3 Karnataka Board Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.3 (If values are not given for ‘n’ Assume n = 22/7.) Question 1. Diameter of the base of a cone is 10.5 cm and its slant height is 10 … Read more
KSEEB Solutions for Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.2 Karnataka Board Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.2 (If values are not given for ‘π’ Assume π = 22/7) Question 1. The curved surface area of a right circular cylinder of a height 14 cm is 88 … Read more
Class 9 Maths Chapter 13 Surface Area and Volumes Ex 13.1 Question 1. A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to be made. It is opened at the top. Ignoring the thickness of the plastic sheet, determine : (i) The area of the sheet required for making the … Read more
KSEEB Solutions for Class 9 Maths Chapter 12 Circles Ex 12.6 Karnataka Board Class 9 Maths Chapter 12 Circles Ex 12.6 Question 1. Prove that the line of centres of two intersecting circles subtends equal angles at the two points of intersection. Solution: Data: Two circles having centres A and B, intersect at C and … Read more
KSEEB Solutions for Class 9 Maths Chapter 12 Circles Ex 12.5 Karnataka Board Class 9 Maths Chapter 12 Circles Ex 12.5 Question 1. In Fig., A, B, and C are three points on a circle with centre O such that ∠BOC = 30° and ∠AOB = 60°. If D is a point on the circle … Read more
KSEEB Solutions for Class 9 Maths Chapter 12 Circles Ex 12.4 Karnataka Board Class 9 Maths Chapter 12 Circles Ex 12.4 Question 1. Two circles of radii 5 cm and 3 cm intersect at two points and the distance between their centres is 4 cm. Find the length of the common chord. Solution: R = … Read more
KSEEB Solutions for Class 9 Maths Chapter 12 Circles Ex 12.3 Karnataka Board Class 9 Maths Chapter 12 Circles Ex 12.3 Question 1. Draw different pairs of circles. How many points does each pair have in common? What is the maximum number of common points? Solution: (1) Circles which do not intersect each other : … Read more
KSEEB Solutions for Class 9 Maths Chapter 12 Circles Ex 12.2 Karnataka Board Class 9 Maths Chapter 12 Circles Ex 12.2 Question 1. Recall that two circles are congruent if they have the same radii. Prove that equal chords of congruent circles subtend equal angles at their centres. Solution: Data: Two circles having centres O … Read more