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OpenStudy (anonymous):
Will give medal!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! triangle ABC is congruent to triangle DEF. In triangle ABC, side AB measures 4, side BC measures 2x-8, and side CA measures 8. In triangle DEF, side DE measures 4, side EF measures x+3, and side FD measures 8. What equation would help you to solve for the side length of BC and EF? Explain your reasoning and using complete sentences.
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jigglypuff314 (jigglypuff314):
BC = EF because CPCTC http://www.mathopenref.com/cpctc.html so 2x - 8 = x + 3 and solve for x, then plug back in...
OpenStudy (anonymous):
thx
jigglypuff314 (jigglypuff314):
Glad I could help :)
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