June 2020

Class 8 – Mathematics Practical Geometry- Exercise 4.4 Question: 1. Construct the following quadrilaterals: (i) Quadrilateral DEAR DE = 4 cm, EA = 5 cm, AR = 4.5 cm, ∠E = 60°, ∠A = 90° (ii) Quadrilateral TRUE TR =…

Class 8 – Mathematics Practical Geometry- Exercise 4.2 Question:1. Construct the following quadrilaterals: (i) Quadrilateral LIFT LI = 4 cm, IF = 3 cm, TL = 2.5 cm, LF = 4.5 cm, IT = 4 cm (ii) Quadrilateral GOLD OL…

Class 8 – Mathematics Practical Geometry- Exercise 4.3 Question: (i) Quadrilateral MORE MO = 6 cm, OR = 4.5 cm, ∠M = 60° ∠O = 105°, ∠R = 105° (ii) Quadrilateral PLAN PL = 4 cm, LA = 6.5 cm,…

Class 8 – Mathematics Practical Geometry- Exercise 4.1 Question: 1. Construct the following quadrilaterals: (i) Quadrilateral ABCD AB = 4.5 cm, BC = 5.5 cm, CD = 4 cm, AD = 6 cm, AC = 7 cm (ii) Quadrilateral JUMP…

Class 8 – Mathematics Understanding Quadrilaterals – Exercise 3.4 Question:1. State whether true or false: (a) All rectangles are squares. (b) All rhombuses are parallelograms. (c) All squares are rhombuses and also rectangles. (d) All squares are not parallelograms. (e)…

Class 8 – Mathematics Understanding Quadrilaterals – Exercise 3.3 Question: 1. Given a parallelogram ABCD. Complete each statement along with the definition or property used. (i) AD = _______________ (ii) ∠DCB = ______________ (iii) OC = _____________ (iv) m∠DAB +…

Class 8 – Mathematics Understanding Quadrilaterals – Exercise 3.2 Question: 1. Find 𝓍 in the following figures: Answer : Question: 2. Find the measure of each exterior angle of a regular polygon of: (a) 9 sides (b) 15 sides Answer…

Class 8 – Mathematics Understanding Quadrilaterals – Exercise 3.1 Question: 1. Given here are some figures: Classify each of them on the basis of the following: (a) Simple curve (b) Simple closed curve (c) Polygon (d) Convex polygon (e) Concave…

Class 8 – Mathematics Linear Equations in One Variable – Exercise 2.6 Solve the following equations. Question: 1. Solve : Answer : ⇒ 8𝓍 – 3 = 2 x 3𝓍 ⇒ 8𝓍 – 3 = 6𝓍 ⇒ 8𝓍 – 6𝓍…

Class 8 – Mathematics Linear Equations in One Variable – Exercise 2.5 Solve the following linear equations. Question: 1. Solve : Answer : Question: 2. Solve :  Answer : Question: 3. Solve : Answer : Question: 4. Solve : Answer…

Class 8 – Mathematics Linear Equations in One Variable – Exercise 2.4 Question: 1. Amina thinks of a number and subtracts 5⁄2 from it. She multiplies the result by 8. The result now obtained is 3 times the same number…

Class 8 – Mathematics Linear Equations in One Variable – Exercise 2.3 Solve the following equations and check your results. Question: 1. 3𝓍 = 2𝓍 + 18 Answer : 3𝓍 = 2𝓍 + 18 ⇒ 3𝓍 – 2𝓍 = 18…