Question

Abc is a triangle in which angle abc is epual angle 2angle acb then probe that angle bac is epual 72degree

Answer 1

Answer:

Step-by-step explanation:

Let we assume to angle bac be 72 degree

And angle abc be '2x

Then ang.acb be 'x

Now by angle sum property

x+2x+72=180

x=36=acb

And abc =2 (36)=72

Hence ,proved