In this post, you will find the NCERT solutions for class 10 maths ex 6.1. These solutions are based on the latest syllabus of NCERT Maths class 10.
NCERT Solutions for Class 10 Maths Ex 6.1
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)
Solution: (i) similar
(ii) similar
(iii) equilateral
(iv) equal, proportional
2. Give two different examples of pair of:
(i) similar figures.
(ii) non-similar figures.
Solution: (i) Two different examples of pair
of similar figures are:
(a) Any two circles
(b) Any two squares
(ii) Two different examples of pair of
non-similar figures are:
(a) A scalene and an equilateral triangle
(b) An equilateral triangle and a right-angled
triangle
3. State whether the following quadrilaterals
are similar or not:
Solution: In
the given figures, the first quadrilateral is a rhombus and the second
quadrilateral is a square. Thus, their angles are not equal.
Hence, the
quadrilaterals are not similar.