8.3 Flashcards
1
Q
Similar Polygons (~)
A
Two polygons are similar if:
1) their corresponding angles are congruent
2) the lengths of corresponding sides are proportional (ratios are also equal) ***The symbol ~ is read “is similar to”.
2
Q
Scale Factor
A
The common ratio between corresponding lengths of similar polygons.
3
Q
Thm. 8.1
A
If two polygons are similar, then the ratios of their perimeters is equal to the ratio of their corresponding sides.
