1.

(c) AB = 5.6cm,t possible to have a triangle, if its angles are given à(a) 90°, 70°, 20°2. Is i(b) 110°, 50°, 50°

Answer»

The sum of angles of a traingle is 180. So, the first case is possible and the second case is not possible because it's sum exceeds 180.



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