![\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{-10}~,~\stackrel{y_1}{1})\qquad \underline{(\stackrel{x_2}{-2}~,~\stackrel{y_2}{2})}\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[-2-(-10)]^2+[2-1]^2}\implies d=\sqrt{(-2+10)^2+(2-1)^2} \\\\\\ d=\sqrt{64+1}\implies \boxed{d=\sqrt{65}} \\\\[-0.35em] ~\dotfill](/tpl/images/0281/1288/7adc5.png)
![\bf (\stackrel{x_1}{-10}~,~\stackrel{y_1}{1})\qquad \underline{(\stackrel{x_2}{-6}~,~\stackrel{y_2}{8})}\qquad \qquad d=\sqrt{[-6-(-10)]^2+[8-1]^2} \\\\\\ d=\sqrt{(-6+10)^2+(8-1)^2}\implies d=\sqrt{16+49}\implies \boxed{d=\sqrt{65}}](/tpl/images/0281/1288/091ba.png)
20 points one diagonal of a rhombus has endpoints (-10, 1) and (2, 9).
what are the endp...
Mathematics, 01.10.2019 23:00 Laiyla27
20 points one diagonal of a rhombus has endpoints (-10, 1) and (2, 9).
what are the endpoints of the other diagonal?
(-7, 7) and (-1, 3)
(-4, 7) and (2, 7)
(-2, 2) and (-6, 8)
(-6, 2) and (-2, 8)
Answers: 1
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