The Triangle and Its Properties Exercise 6.2 1). Find the value of the unknown exterior angle x in the following diagrams: i). the sum of interior opposite angles = exterior angle 500 + 700 = x 1200 = x x = 1200 ii). the sum of interior opposite angles = exterior angle […]
NCERT Solutions Class 7 Maths Chapter 6 The Triangle and Its Properties Exercise 6.2 Read More »
The Triangle and Its Properties Exercise 6.1 1). In D PQR, D is the mid-point of QR. PM is _________________. PD is _________________. Is QM = MR? Answer: PM is altitude. PD is median. Is QM = MR? No QM ≠ MR 2). Draw rough sketches for the following: (a) In DABC, BE is a
NCERT Solutions Class 7 Maths Chapter 6 The Triangle and Its Properties Exercise 6.1 Read More »
Lines and Angles Exercise 5.2 1). State the property that is used in each of the following statements? (i) If a || b, then ∠1 = ∠5. (ii) If ∠4 = ∠6, then a || b. (iii) If ∠4 + ∠5 = 180°, then a || b. Answer: (i) If a || b, then ∠1 =
NCERT Solutions Class 7 Maths Chapter 5 Lines and Angles Exercise 5.2 Read More »
Lines and Angles Exercise 5.1 1). Find the complement of each of the following angles: i) 200 ii). 630 iii). 570 Solution: i) 200 let the complementary of 200 be x. x + 20 = 90 x = 90 – 20 x = 70 ii). 630 let the complementary of 630 be x. x
NCERT Solutions Class 7 Maths Chapter 5 Lines and Angles Exercise 5.1 Read More »
Simple Equations Exercise 4.4 1). Set up equations and solve them to find the unknown numbers in the following cases: (a) Add 4 to eight times a number; you get 60. Let the given number be x By the given condition of the problem 8x + 4 = 60 Transposing 4 to RHS 8x
NCERT Solutions Class 7 Maths Chapter 4 Simple Equations Exercise 4.4 Read More »