Chapter 15 Area Set 15.6
Chapter 15 Area Set 15.6 iii. Radius of the circle (r) = 17.5 cm … [Given] Area of the circle = πr² = x(17.5)² = x 17.5 x 17.5 =…
Chapter 15 Area Set 15.5
Chapter 15 Area Set 15.5 Question 1. Find the areas of given plots. (All measures are in meters.) ∴ Area of plot ABCDE = A(∆ABE) + A(∆BCE) + A(∆EDC) =…
Chapter 15 Area Set 15.4
Chapter 15 Area Set 15.4 ∴ The area of the triangle is 756 sq.cm. Question 2. Look at the measures shown in the given figure and find the area of…
Chapter 15 Area Set 15.3
Chapter 15 Area Set 15.3 Question 1. In the given figure, ☐ABCD is a trapezium, side AB || side DC, l(AB) = 13 cm, l(DC) = 9 cm, l(AD) =…
Chapter 15 Area 15.2
Chapter 15 Area 15.2 Question 3. If perimeter of a rhombus is 100 cm and length of one diagonal is 48 cm, what is the area of the quadrilateral? Solution:…
Chapter 15 Area Set 15.1
Chapter 15 Area Set 15.1 Question 1. If base of a parallelogram is 18 cm and its height is 11 cm, find its area. Solution: Given, base = 18 cm,…
Chapter 14 Compound Interest Set 14.2
Chapter 14 Compound Interest Set 14.2 Question 1. On the construction work of a flyover bridge there were 320 workers initially. The number of workers were increased by 25% every…
Chapter 14 Compound Interest Set 14.1
Chapter 14 Compound Interest Set 14.1 Question 1. Find the amount and the compound interest. No Principal (Rs) Rate (p.c.p.a.) Duration (years) i. 2000 5 2 ii. 5000 8 3…
Chapter 13 Congruence of Triangles 13.2
Chapter 13 Congruence of Triangles 13.2 Question 1. In each pair of triangles given below, parts shown by identical marks are congruent. State the test and the one-to-one correspondence of…
Chapter 13 Congruence of Triangles Set 13.1
Chapter 13 Congruence of Triangles Set 13.1 Question 1. In each pair of triangles in the following figures, parts bearing identical marks are congruent. State the test and correspondence of…