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6.1 EXERCISES
OMEWORK
KEY
-SO WORKED OUTSOUITIONS
- VERABOUTA TESTPRACTICE
MULTIPLE REPRESENTATIONS
SKILL PRACTICE
1. VOCABULARY Copy and complete: Two polygonss are similar if
corresponding angles are _/ and corresponding side berigthis are 5
A= Congruent
Ro Similar
EXAMPLE :
for EXS 3-6
USING SIMILARITY List all pairs of congruent angles for the figures. Then
write the ratios of the corresponding sides In a statement of proportionality.
AABC-ALMN
4. DEFG-PORS
IN = LM - A
RT
AR
CAZLE
EXAMPLES
DETERMINING SIMILARITY Determine whether the polygons are similar. If
2 and 3
for Exs 7-10
they are, write a similarity statement and find the scale factor.
Nes
RSUT - 20 YX
Scale factors
USING SIMILAR POLYGONS In the diagram, JKLM - EFCH.
9. Find the scale factor of JKLM to EFGH.
10. Find the values of x, y, and < y-12/x-270 2 9
EXAMPLE 4
11. Find the perimeter of each polygon.
for Exs 11-13
HOPF=74 MUX-Z25
12. PERIMETER Two similar FOR SALE signs have a scale factor of 5:3.
The large sign's perimeter is 60 inches. Find the small sign's perimeter.
225
S
Perimeter = 30
y= 12)
62 Chapter 6 Similarity
22
4.4
x = 4.4
Lo
O
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- Fall '13
- Orna