Three of the vertices of parallelogram abcd are given. graph them on your paper. find the coordinates of point d. show your method.
a(-4,1), b(-1,5), c(6,5), d(x, y)
type your answer as a point (x, y) with parentheses and no spaces.

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step-by-step explanation:

2y+y=5

add 2y and y

true

step-by-step explanation:

intersecting chords are just lines that intersect. so a line is equal to 180 degrees, so when it is intersected by another chord, then it create supplementary angles, and because the lines cross, vertical angels are also formed.