﻿ At technology cyber charter school, each of the ninth grade homerooms has the same number of students and one teacher. on the last day  , 18.10.2019 07:00, mariahbrooks

# At technology cyber charter school, each of the ninth grade homerooms has the same number of students and one teacher. on the last day of school, each student created a card for each of the other students in their class. the expression 14s(s-1) can be used to find the total number of cards created by the ninth grade students. based on the given information, which of the following statements must be true? select all that apply.  ### Other questions on the subject: Mathematics Mathematics, 21.06.2019 16:30, aly2008
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Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.
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At technology cyber charter school, each of the ninth grade homerooms has the same number of student...

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