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# NCERT Solutions, Exercise 6.1: Triangles, Class 10 (Mathematics) Class 10 Notes | EduRev

## Class 10 : NCERT Solutions, Exercise 6.1: Triangles, Class 10 (Mathematics) Class 10 Notes | EduRev

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Mathematics
(Chapter – 6) (Triangles)
(Class – X)

1
Exercise 6.1
Question 1:
Fill in the blanks using correct word given in the 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)

(i) Similar
(ii) Similar
(iii) Equilateral
(iv) (a) Equal
(b) Proportional

Question 2:
Give two different examples of pair of
(i) Similar figures (ii)Non-similar figures

(i) Two equilateral triangles with sides 1 cm and 2 cm

Two squares with sides 1 cm and 2 cm
Page 2

Mathematics
(Chapter – 6) (Triangles)
(Class – X)

1
Exercise 6.1
Question 1:
Fill in the blanks using correct word given in the 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)

(i) Similar
(ii) Similar
(iii) Equilateral
(iv) (a) Equal
(b) Proportional

Question 2:
Give two different examples of pair of
(i) Similar figures (ii)Non-similar figures

(i) Two equilateral triangles with sides 1 cm and 2 cm

Two squares with sides 1 cm and 2 cm
Mathematics
(Chapter – 6) (Triangles)
(Class – X)

2

(ii) Trapezium and square

Triangle and parallelogram

Question 3:
State whether the following quadrilaterals are similar or not:

Quadrilateral PQRS and ABCD are not similar as their corresponding sides are
proportional, i.e. 1:2, but their corresponding angles are not equal.
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