Question

In which a construction triangle is possible?
(a) 50°,30°,20° (b) 80°,60°,40° (c) 20°,90°,40° (d) 90°,90°,90°​

Answer 1

Answer:

In construction triangle is possible

b) 80,60,40,

Answer 2

Answer:

Option b is the correct answer

because A triangle is a sum of 180°.

(80° + 60° + 40° = 180°)