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Welp
 one year ago
"Are the two triangles similar? How do you know?"
Welp
 one year ago
"Are the two triangles similar? How do you know?"

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0SAS. Even though the middle angle isn't specified, it's hinted because the two triangles are connected together. They're vertical angles.

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2not looking for congruence, similarity

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2The sides are in equal proportions\[\frac{ 8 }{ 16 } = \frac{ 9 }{ 18 }\] You have to spin one of the triangles around to get the right sides

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2the SAS things are to test congruence, same triangles, not similar

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.0as izuru pointed out, these two angles are congruent because they are vertical angles dw:1438744084529:dw
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