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Mathematics 20 Online
OpenStudy (icalibear):

What are the last two statements of this proof?

OpenStudy (icalibear):

Given \[RS \approx UT \] and \[RT \approx US\] prove triangle RST and triangle UTS are congruent. And by the approx. symbols I mean congruent :)

OpenStudy (icalibear):

|dw:1355529396788:dw|

jimthompson5910 (jim_thompson5910):

TS is the same as ST

OpenStudy (icalibear):

what rule is that?

jimthompson5910 (jim_thompson5910):

so ST = TS is the same as saying either ST = ST or TS = TS

OpenStudy (icalibear):

What's the rule of that it it SSS or?

jimthompson5910 (jim_thompson5910):

what property says ST = ST or TS = TS

OpenStudy (icalibear):

i dont know

jimthompson5910 (jim_thompson5910):

check out this page http://www.regentsprep.org/Regents/math/geometry/GPB/theorems.htm

OpenStudy (icalibear):

wait is it reflexive prperty of congruence?

jimthompson5910 (jim_thompson5910):

yep

jimthompson5910 (jim_thompson5910):

so that's your first reason

jimthompson5910 (jim_thompson5910):

and yes, you use the SSS postulate for the second reason

OpenStudy (icalibear):

ok thx

jimthompson5910 (jim_thompson5910):

np

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