Exercise 6.1 (Revised) - Chapter 6 - Triangles - Ncert Solutions class 10 - Maths

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Chapter 6 Triangles NCERT Solutions Class 10 Maths: Simplify Concepts & Ace Exams

Ex 6.1 Question 1.

Fill in the blanks using the correct word given in brackets:
(i) All circles are _______________. (congruent, similar)
(ii) All squares are ____________________. (similar, congruent)
(iii) All _______________ triangles are similar. (isosceles, equilateral)
(iv) Two polygons of the same number of sides are similar, if (a) their corresponding angles are _______________ and (b) their corresponding sides are ______________ . (equal, proportional)

Answer.

(i) similar
(ii) similar
(iii) equilateral
(iv) equal, proportional
Ex 6.1 Question 2.

Give two different examples of pair of:
(i) similar figures
(ii) non-similar figures

Answer.

(i) Two different examples of a pair of similar figures are:
(a) Any two rectangles
(b) Any two squares
(ii) Two different examples of a pair of non-similar figures are:

(a) A scalene and an equilateral triangle
(b) An equilateral triangle and a right angled triangle
Ex 6.1 Question 3.

State whether the following quadrilaterals are similar or not:

Answer.

On looking at the given figures of the quadrilaterals, we can say that they are not similar because their angles are not equal.