what is the perimeter of triangle abc with vertices a(-1 -2) b(2 -6) and c(-3 -6)?
回答 (1)
2016-06-01 9:25 pm
BC = 2 - (-3) = 5
AB = 5
AC = 2√5
AB = 5
AC = 2√5
收錄日期: 2021-04-21 18:51:43
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