Rotations Rotate 90⁰ Clockwise: ( x,y )→(y,-x) Rotate 90⁰ Counterclockwise:( x,y )→(- y,x )
Alternate interior angles : [ ∠2 and ∠7] , [ ∠6 and ∠3] Pairs are CONGRUENT Alternate Exterior angles : [ ∠1 and ∠8] , [ ∠5 and ∠4] Pairs are CONGRUENT Corresponding Angles : [ ∠1 and ∠3] , [ ∠2 and ∠4] , [ ∠5 and ∠7 ] , [ ∠6 and ∠8] Pairs are CONGRUENT
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