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Mathematics 9 Online
OpenStudy (anonymous):

Help!

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

well step 2 is a valid step, so we can ignore it

jimthompson5910 (jim_thompson5910):

same with step 3, even though it's a bit long

OpenStudy (anonymous):

ok!

jimthompson5910 (jim_thompson5910):

one sec

OpenStudy (anonymous):

ok:)

jimthompson5910 (jim_thompson5910):

He should have squeezed in that PD = PC (since all sides of an equilateral triangle are equal), from there, he should have used the SSS postulate to show that the two triangles are congruent. He cannot use the SAS postulate because he has the wrong angle (in the wrong place)

OpenStudy (anonymous):

A and C r the same again!!! GRRRRRRRRRRRRRRRRR

jimthompson5910 (jim_thompson5910):

no, A has AAS and C has SSS

jimthompson5910 (jim_thompson5910):

other than those two things, yes they are identical

OpenStudy (anonymous):

oo never mind yay! lol ....so which one would it be??

jimthompson5910 (jim_thompson5910):

C is what I'd say because all he needs to add is PD = PC to his argument list, then he can use SSS

OpenStudy (anonymous):

oo ok thanks!

jimthompson5910 (jim_thompson5910):

yw

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