Question

prove that sum of any two sides of triangle is greater than the other side

Answer 1

heya dear

here izz your answer


Given , AB ,BC,CA are the sides of the triangle ABC

To prove ;

- AB + BC > AC

AB + BC > AC

BC + AC > AB

construction : produce BA to D such that AD=AC join CD.

proof :- in triangle ACD , we have AC = AD

:- angle ACD = angle BDC

》 angle BCA + angle ACD > angle ADC

》angle BCD >angle BDC

》BD > BC

》BA + AD > BC

》 AB + AC > BC

HENCE PROVED

THANKS !!

Answer 2

Hope this helps.....