System of Mesurements Part-2

Jitendra Kumar

10 months ago

sir angles of quadrilateral are 4 angles you have taken a-3d, a-d, a+d and a+3d, means we have 4 angle. then the sum of all these angels will be 360 ----> (a-3d)+(a-d)+(a+d)+(a+3d)=360, then how have you put only 4a = 360,here is a little bit confusion plz make me understand sir.
thank you !

Vineet Loomba

10 months ago

Add them d will get cancelled