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Please help, I need to know the answers to all, if only one that’s fine too

Please help, I need to know the answers to all, if only one that’s fine too-example-1

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In the given question, it is given that AB and DC are parallel and congruent.

So the reason for the first two statements are " Given" .

Third statement is angle BAC and DCA are congruent. And from the diagram, we can say that these angles are alternate interior angles. And alternate interior angles are congruent . So the reason is alternate interior angles postulate .

Fourth statement is AC and AC are congruent, and the reason is reflexive property .

And the final statement is triangles ABC and DCA are congruent, and the reason is SAS postulate .


User David Tang
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