# 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.

## 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 :

Solution :

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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