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Line AB line CD and line PQ intersects line AB are line CD at M and N respectively.Draw the figure and write pairs of interior angles.plz give answer plz plz plz plz help me plz plz​

Answer»

Sum of interior angles x & y is 180

on same side of line

x+y=180

…………(i)

In TRIANGLE PSR sum of angle is 180

2X+ 2y+∠PSR=180

∠PSR=180− 21(x+y)

From (i) x+y=180

∠PSR=90



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