Angles Segments Triangles Statements Reasons
Given: AD BC and BCD
ZADC
Prove: DE CE
2011
ADC
ZBCD
2 СВЕ
2 СЕВ
DEA
ZECD
ZEDC
A
B
Reasons
Statements
v 1. BC-AD
2. ZBCD = ADC
1. given
2. given
E
D
The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap
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