What additional information would you need to prove that δabc ≅ δdef by sas?


Asked by maham237 @ in Mathematics viewed by 1048 People


What additional information would you need to prove that ΔABC ≅ ΔDEF by SAS?
Triangle ABC is drawn with a single hash mark between A and B and triangle DEF is marked with a single hash mark between D and E. Angle B and angle E are marked congruent.

A.) segment AC ≅ segment EF

B.) segment BC ≅ segment FE

C.) segment AC ≅ segment FE

D.) segment BC ≅ segment EF

Answered by maham237 @



We have drawn the two trainagles as required in the attachment.

As we can see the side AB is equal to the side DE. Also we are given that angle B = angle E. So we know one side and one angle are equal.

To be congruent, we need another side to be equal this could be either of the two :

(i) Segment AC ≅ Segment FD or

(ii) Segment BC ≅ Segment EF

Since we do not have (i) listed as any option, we select the second one

So, the answer is Segment BC ≅ Segment EF (Option D)


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