Select the correct answer.
which statement is true about quadrilateral abcd with vertices a12, 8), b(3, 11), c(4,8), and d(3,5)?
o a
quadrilateral abcd is a square because adjacent sides have slopes that are negative reciprocals.
ob.
quadrilateral abcd is a rhombus because adjacent sides have slopes that are negative reciprocals.
oc.
quadrilateral abcd is a square because adjacent sides have slopes that are not negative reciprocals.
od.
quadrilateral abcd is a rhombus because adjacent sides have slopes that are not negative reciprocals.