# NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes Ex 5.6

Here, below you all know about NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes Ex 5.6 Question Answer. I know many of you confuse about finding this Chapter 5 Understanding Elementary Shapes Ex 5.6 Of Class 6 NCERT Solutions. So, Read the full post below and get your solutions.

Textbook | NCERT |

Board | CBSE |

Category | NCERT Solutions |

Class | Class 6 |

Subject | Maths |

Chapter | Chapter 5 |

Chapter Name | Understanding Elementary Shapes Ex 5.6 |

Number of Questions Solved | 6 |

## NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes Ex 5.6

**NCERT TEXTBOOK EXERCISES**

**Question 1. Name the types of following triangles:**

**(a)** Triangle with lengths of sides 7 cm, 8 cm and 9 cm.**(b)** ΔABC with AB = 8.7cm, AC =7cm andBC = 6 cm.**(c)** ΔPQR such that PQ = QR = PR = 5 cm.**(d)** ΔDEF with m ∠D = 90°.**(e)** ΔXYZ with m ∠Y = 90° and XY = YZ.**(f)** ΔLMN with m ∠L = 30°, m ∠M =70° and m ∠N = 80°.

**Solution :**

**(a)** Scalene triangle**(b)** Scalene triangle**(c)** Equilateral triangle**(d)** Right angled triangle**(e)** Isosceles right triangle**(f)** Acute angled triangle.

**Question 2. Match the following :**

Measures of triangle | Type triangle |

(i) 3 sides of equal length | (a) Scalene |

(ii) 2 sides of equal length | (b) Isosceles right angled |

(iii) All sides are of different length | (c) Obtuse angled |

(iv) 3 acute angles | (d) Right angled |

(v) 1 right angle | (e) Equilateral |

(vi) 1 obtuse angle | (f) Acute-angled |

(vii) 1 right angle with two sides of equal length | (g) Isosceles |

**Solution :**

Measures of triangle | Type triangle |

(i) 3 sides of equal length | (e) Equilateral |

(ii) 2 sides of equal length | (g) Isosceles |

(iii) All sides are of different length | (a) Scalene |

(iv) 3 acute angles | (f) Acute-angled |

(v) 1 right angle | (d) Right angled |

(vi) 1 obtuse angle | (c) Obtuse angled |

(vii) 1 right angle with two sides of equal length | (b) Isosceles right angled |

**Question 3. Name each of the following triangles in two different ways : (you may judge the nature of the angle by observation).**

**Solution :**

**(a)** Acute-angled and isosceles.**(b)** Right-angled and scalene.**(c)** Obtuse-angled and isosceles.**(d)** Right-angled and isosceles.**(e)** Equilateral and acute-angled.**(f)** Obtuse-angled and scalene.

**Question 4. Try to construct triangles using matchsticks. 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). Name the type of triangle in each case. If you cannot make a triangle, think of reasons for it.

**Solution :**

**(a)** Yes, an equilateral triangle.**(b)** No, since the sum of the lengths of any two sides of a triangle is always greater than the length of the third side.**(c)** Yes, an isosceles triangle.**(d)** Yes, an equilateral triangle.

## NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes Ex 5.6 PDF

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### Class 6 Maths Chapter 5 Understanding Elementary Shapes

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