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GrazesBest ResponseYou've already chosen the best response.1
The first one is not similar because the sides are not in proportion. 3 can correspond to the 6 (x2) but if you apply the same thing to the 2 (2x2=4), you don't get 5. So they're not similar
 one year ago

kyleaBest ResponseYou've already chosen the best response.0
alright that makes sense
 one year ago

GrazesBest ResponseYou've already chosen the best response.1
For the 2nd one, 10+5=15 and 14+7=21. 10 and 14 (sides of the other triangle) relate to 15 and 21 because 10/14=15/21. You know this cuz you can simplify them both to 5/7
 one year ago

kyleaBest ResponseYou've already chosen the best response.0
okay i get that but how do you know what they are similar by? is it sss?
 one year ago

GrazesBest ResponseYou've already chosen the best response.1
Oh. The similarity theorem is always by AA. SSS is if the numbers for the triangles are the same because it proves that the triangles are congruent.
 one year ago

kyleaBest ResponseYou've already chosen the best response.0
always? let me show you this other problem... would it be AA for it to?
 one year ago

GrazesBest ResponseYou've already chosen the best response.1
dw:1341959357505:dw That would be by SAS
 one year ago

GrazesBest ResponseYou've already chosen the best response.1
As for your problem, it would be AA because you see that 2 angles are already congruent and you know that there's another set of congruent angles by (Vertical angles are congruent)
 one year ago

GrazesBest ResponseYou've already chosen the best response.1
GIH and JIK are the vertical angles, btw
 one year ago
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