Question

prove that any triangle a maximum of only one exterior angle can be less than 90 degree.​

Answer 1

Answer:

60° is. krrcmd mdnfmdm mdnfmdm mdnf

Answer 2

Answer:

in triangle

sum of all interior angle is 180°

thus only one angle can be > 90°

sum of adjacent interior and exterior angle is 180 (linear angle)

thus interior angle >90° only have exterior angle <90°