Question

show that every equiangular triangle is equilateral

Answer 1

Paythasgoras therom.is answer

Answer 2

Let triangle ABC is equiangular triangle

therefore angle a= b= c

a= b therefore ac = bc ...1.. (side opposite to congruent angle )

b=c therefore ac= ab....2...

a=c therefore bc= ab...3...
from 1,,2,,&3
ab=bc=ac
so triangle abc is equilateral.