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12 votes
12 votes
I need to know how to do this

I need to know how to do this-example-1
User Ilja Popov
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1 Answer

19 votes
19 votes
Well since the two triangle is congruent by AAS theorem, you can prove that AC is congruent to DF by CPCTC, or corresponding parts of congruent triangles are congruent.
User Samaa
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