193,788 views
19 votes
19 votes
In which of the following cases is the construction of a triangle ABC

possible?
(b) AB = 5 cm, BC = 7 cm. CA = 8 cm
(a) AB = 3 cm, BC = 4 cm, CA = | cm
(C) AB = 9 cm, BC = 4 cm, CA = 3 cm
(d) AB = 10 cm, BC = 7 cm, CA = 8 cm

User Sosergio
by
3.1k points

1 Answer

11 votes
11 votes

Answer:

(b)

Explanation:

According to the triangle inequality, the sum of any 2 sides of a triangle must be greater than the third side. The only case that satisfies this is option (b)

User Joseph Lam
by
3.0k points