- find 2A=?kb go' Dc – InterviewSolution

1.

- find 2A=?kb go' Dc

Answer»

As we knowsum of all angles will be 180°so here90+30+ A= 180A= 180-120= 60°

90+30+A=180A=180-120A=60

A triangle have 180 degree. So angle A = 180-90-30 ie 60 degree

180=90+30+?so,90+30=120then,180~120=60.....and some of all triangles is always 180.......

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