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1. NCERT Solutions - Mathematics, Class 6

CHAPTERS

1. Knowing Our Numbers

2. Whole Numbers

3. Playing With Numbers

4. Basic Geometrical Ideas

5. Understanding Elementary Shapes

6. Integers

7. Fractions

8. Decimals

9. Data Handling

10. Mensuration

11. Algebra

12. Ratio and Proportion

13. Symmetry

EXERCISES

1. Exercise 5.1

2. Exercise 5.2

3. Exercise 5.3

4. Exercise 5.4

5. Exercise 5.5

6. Exercise 5.6

7. Exercise 5.7

8. Exercise 5.8

9. Exercise 5.9

Q1) Name the types of following triangles:

(a) Triangle with lengths of sides 7 cm, 8 cm, and 9 cm.

(b) \triangle ABC with AB = 8.7 cm, AC = 7 cm and BC = 6 cm.

(c) \triangle PQR such that PQ = QR = PR = 5 cm.

(d) \triangle DEF with m\angle D=90\degree

(e) \triangle XYZ with m\angle Y=90\degree and XY = YZ

(f) \triangle LMN with m\angle L=30\degree,m\angle M=70\degree\ and\ m\angle N=80\degree

Q2) Match the following:

Q3) Name each of the following triangles in two different ways: (You may judge the nature of angle by observation)

(a)

(b)

(c)

(d)

(e)

(f)

Q4) Try to construct triangles using match sticks. Some are shown here.

Can you make a triangle with:

(a)3 matchsticks?

(b)4 matchsticks?

(c)5 matchsticks?

(d)6 matchsticks?

(Remember you have to use all the available matchsticks in each case)

If you cannot make a triangle, think of reasons for it.

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Mathematics

NCERT Solutions - Mathematics, Class 6

Knowing Our Numbers

Whole Numbers

Playing With Numbers

Basic Geometrical Ideas

Understanding Elementary Shapes

Integers

Fractions

Decimals

Data Handling

Mensuration

Algebra

Ratio and Proportion

Symmetry

Exercise 5.1

Exercise 5.2

Exercise 5.3

Exercise 5.4

Exercise 5.5

Exercise 5.6

Exercise 5.7

Exercise 5.8

Exercise 5.9

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