Similarity (Grade 12 NSC Matric Mathematics): Flashcards
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Similar polygons definition
Similar polygons definition
Same form but different size; one is a scaled version of another
Are congruent polygons similar?
Are congruent polygons similar?
Yes, congruent polygons are also similar
Two conditions for polygon similarity
Two conditions for polygon similarity
Equal corresponding angles & proportional corresponding sides
Both conditions needed for polygon similarity?
Both conditions needed for polygon similarity?
Yes, both must be true
Conditions to prove triangle similarity
Conditions to prove triangle similarity
Only one (angle equality OR side proportion)
AAA similarity theorem
AAA similarity theorem
Triangles with all corresponding angles equal are similar
SSS similarity theorem
SSS similarity theorem
Triangles with all sides in proportion are similar
SAS similarity theorem
SAS similarity theorem
Two proportional sides + equal included angle = similar triangles
