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Which statement is necessary to prove the two angles are congruent by SSS

Which statement is necessary to prove the two angles are congruent by SSS-example-1
User TylerH
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1 Answer

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The correct option is C;

For us to prove that the two triangles are congruent by SSS, we must have it that all the sides of the two triangles are congruent

They both share AD, while the sides AB and AC are congruent

So what is left is to get a relation that would state that BD and DC are equal

The correct statement is the 3rd option

The third option clearly states the relation that all the related sides are congruent and we have the SSS congruency working out

User Sasidhar Vanga
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