CBSE Class 7 Answered
Look at the figures given below. Classify each of the triangles according to its sides and angles. (a) 
(b) 
(b)
Asked by Topperlearning User | 19 Dec, 2014, 05:09: PM
Expert Answer
The above figures can be classified according to its sides and angles in the following ways:-
(a)
Here, all sides are of different lengths.
Thus, it is a scalene triangle.
Also, it has a right angle in its interior.
Thus, it is a right-angled triangle.
(b)
Here, 2 sides are of equal lengths.
Thus, it is an isosceles triangle.
Also, it has an obtuse (>90o) angle in its interior.
Thus, it is an obtuse-angled triangle.
Answered by | 19 Dec, 2014, 07:09: PM
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