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10 questions from this quiz
Shapes with same form but different sizes
Both conditions must be true
Only one condition needed; other follows
All corresponding angles equal
X^=M^\hat{X} = \hat{M}X^=M^ (third angles equal)
All three side pairs have same ratio
2 proportional sides + equal included angle
Similarity
Yes, all ratios equal 31\frac{3}{1}13
PQBA=QRAC=PRBC\frac{PQ}{BA} = \frac{QR}{AC} = \frac{PR}{BC}BAPQ=ACQR=BCPR
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