NCERT SOLUTIONS CLASS 10 MATHS CHAPTER TRIANGLES … · Using the basic proportionality theorem,...

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Transcript of NCERT SOLUTIONS CLASS 10 MATHS CHAPTER TRIANGLES … · Using the basic proportionality theorem,...

Exercise 1

Question 1:

Fill in the blanks

A: All circles are ____ (Similar, Congruent)

Solution: All circles are similar.

B: All squares are ____ (Congruent, similar)

Solution: All squares are similar.

C: All ____ triangles are similar. (Isosceles, equilateral)

Solution: All �uilateral triangles are similar.

D: Two polygons having the same number of sides are similar, if

(i) Their corresponding angles are ___ and

(ii) Their corresponding sides are _____ . (Proportional, equal)

Solution: Two polygons having the same number of sides are similar, if (i) their

corresponding angles are �ual and (ii) their corresponding sides are r;iror;iortional

Question 2:

Give examples for the following, two of each.

A: Similar figures

B: Non-simiiar figures

Solution:

A: Two ten dollar notes and two ten cent coins.

B: One 5 cent coin and 10 cent coin and one 5 dollar note and ten dollar note.

Question 3:

Find out whether the quadrilaterals that are given below are similar.

,�o-p l<• Q

Solution:

Since, the corresponding angles of both the figures are not equal, the figures

given are not similar.

Exercise 2

Question 1:

NCERT SOLUTIONS CLASS 10 MATHS

CHAPTER 6- TRIANGLES EQUILATERAL