andii1101
04.04.2020 •
Mathematics
The coordinations of the vertices of quadrilateral DIAN are D(0,5), I(3,6), A(4,3), N(1,2). Use coordinate geometry to prove that quadrilateral DIAN is a square.
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Ответ:
1:4
Step-by-step explanation:
there are 5 questions. there is one correct answer so the rest must be wrong. so the ratio of correct to wrong is 1:4.