Students can Download Class 10 Maths Chapter 2 Triangles Ex 2.1 Questions and Answers, Notes Pdf, KSEEB Solutions for Class 10 Maths helps you to revise the complete Karnataka State Board Syllabus and to clear all their doubts, score well in final exams.

## Karnataka State Syllabus Class 10 Maths Chapter 2 Triangles Ex 2.1

Question 1.

Fill In the b1ank using the correct word given in brackets:

i) All circles are _______ . (congruent, similar)

Answer:

congruent

ii) All squares are _______. (similar, congruent)

Answer:

similar

iii) All ______ triangles are similar. (isosceles, equilateral)

Answer:

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:

(a) equal

(b) proportional

Question 2.

Give two different examples of pair of

i) similar figures

Answer:

i. a)

b)

ii) non-similar figures.

Answer:

A square Rhombus

a)

Corresponding angles are not equal

∴ ∆^{le} ABC not similar to ∆^{le} PQR

b)

in a given Rectangles corresponding sides are not proportional.

Question 3.

State whether the following quadrilaterals are similar or not:

Answer:

Here, two diagrams PQRS and ABCD are rhombus and square whose sides are in proportional. But the corresponding angle is not equal. Hence these are not similar.