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Which congruence criterion do you use in...

Which congruence criterion do you use in the following?
Given: Given: AC = DF
AB = DE
BC = EF So, `triangleABC ~= triangleDEF`

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PSEB-CONGRUENCE OF TRIANGLES-EXAMPLE
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  14. Complete the congruence statement: triangleBCA ~=?

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  15. Complete the congruence statement: triangleQRS ~=?

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  19. If triangleABC and trianglePQR are to be congruent, name one additiona...

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  20. Explain, why triangleABC ~= triangleFED.

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