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CBSE Class 7 Answered

Look at the figures given below. Classify each of the triangles according to its sides and angles. (a) (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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