Question

Determine whether we can form a triangle with the following angles
(a) 50° 70° and 60°
(b) 120°, 30° and 40°
(c) 45°, 80° and 55°
(d) 440, 36° and 110°
(e) 70°, 70° and 40°​

Answer 1

Answer:

a. , c. and e.

Explaination

sum of three angles of Triangle = 180°

a + b + c = 180°

a. 50°+70°+60° should be= 180 °

180° = 180°

It means a . can form a triangle

b. 120°+ 30°+ 40° should be= 180°

190° is not = 180°

It means that b. cannot form a triangle

c 55°+80 °+55° should be= 180 °

180° = 180°

It means c . can form a triangle .

d. 440°+36°+110° should be= 180 °

586° is not = 180°

It means d. cannot form a triangle.

e. 70°+70°+40° should be= 180 °

180° = 180°

It means e. can form a triangle

.

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