Exercise 12.1 Q1. 2 cubes each of volume 64 cm3 are joined end to end. Find the surface area of the […]

Page No 158 Use π = 22/7 (unless stated otherwise)Q1: Find the area of a sector of a circle with

In Q.1 to 3, choose the correct option and give justification. Q1. From a point Q, the length of the

Exercise 10.1 Q1. How many tangents can a circle have?Sol. A circle can have an infinite number of tangents. Q2. Fill

Page No 141 Q1: A circus artist is climbing a 20 m long rope, which is tightly stretched and tied

Exercise 8.1 Q1. In ∆ ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine:(i) sin A,

Q1. Find the coordinates of the point which divides the join of (-1, 7) and (4, -3) in the ratio

Q1. Find the distance between the following pairs of points:(i) (2, 3), (4, 1)  Ans: Let P(2, 3) and Q(4, 1)

Exercise 6.1 Q1: Fill in the blanks using the correct word given in brackets.(i) All circles are _______(congruent, similar).(ii) All

Exercise 5.3 Formula for Sum of an AP Q1: Find the sum of the following APs:(i) 2, 7, 12, …,