FrienumanFicz FrienumanFicz

22-06-2016
Mathematics

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A parallelogram whose vertices have coordinates r(1, -1), s(6, 1), t(8, 5), and u(3, 3) has a shorter diagonal of ___ .

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HomertheGenius HomertheGenius

02-07-2016

A shorter diagonal of a parallelogram PSTU is US.
d ( US ) = [tex] \sqrt{( 6-3 ) ^{2} + ( 1-3 )^{2} } = \sqrt{9 + 4}= \sqrt{13} [/tex]
d ( US ) = 3.60555

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