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NCERT Solutions for Maths Class 9 Chapter 7

EXERCISE 7.1 Question 1: In quadrilateral (ACBD,space AC=AD) and (AB) (angle A) (See the given figure). Show thatn (triangle ABC≅triangle ABD). What can you about (BC) and (BD)? Answer: Given: In quadrilateral (ACBD,space AC=AD) and (AB) is bisected by (angle A). To find: show that (triangle ABC≅ABD). In (triangle ABC,space triangle ABD) (AC=AD) (Given) (angle CAB=angle

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NCERT Solutions for Maths Class 9 Chapter 5

Introduction To Euclid’s GeometryExercise 5.1 Question 1: Which o the following statements are true and which are false? give reasons for your answers.(i) Only one line can pass through a single point.Answer: FalseBecause an endless number of lines can pass through a single point ‘ P ‘ below. There exists an infinite number of lines

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NCERT Solutions for Maths Class 9 Chapter 2

  Exercise 2.1 Question 1: Which of the following expressions are polynomials in one variable and which are not? State the reason for your answer. i. (4x^2-3x+7) ii. (y^2+sqrt2) iii. (3sqrt{t}+tsqrt2) iv. (y+frac{2}{y}) v. (y+2y^{-1}) Answer: A polynomial in one variable refers to an expression where the exponent of the variable is a whole number. i.

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