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12-03-2018
Mathematics

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Look at the figures. How can you prove these triangles are congruent?

∆ABC ≅ ∆DEF by the SAS Postulate.

∆ABC ≅ ∆DEF by the SSS Postulate.

It is not possible to determine if the triangles are congruent.

Look at the figures How can you prove these triangles are congruent ABC DEF by the SAS Postulate ABC DEF by the SSS Postulate It is not possible to determine i class=

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12-03-2018

It is not possible to determine if the triangles are congruent

by SSS, you need to know AC=DF, but there is no way to know it.

by SAS, you need to know ∠ABC=∠DEF, no way to know as well.

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