Show that a quadrilateral with vertices C(-9,6), D(-4, 10), E (2, 8), F(-3,4) is a parallelogram. Slope of CD = slope of FE = %3D Slope of DE = slope of CF = Both pairs of opposite sides have the same slope. Since it (select) v the case that both pairs of opposite sides are parallel, CDEF (select) ▼ (select) is not a parallelogram. IS
Show that a quadrilateral with vertices C(-9,6), D(-4, 10), E (2, 8), F(-3,4) is a parallelogram. Slope of CD = slope of FE = %3D Slope of DE = slope of CF = Both pairs of opposite sides have the same slope. Since it (select) v the case that both pairs of opposite sides are parallel, CDEF (select) ▼ (select) is not a parallelogram. IS
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.2: Graphs Of Linear Equations And Slope
Problem 44E: Prove that if two lines neither horizontal nor vertical are perpendicular, then the product of their...
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Show that a quadrilateral with vertices C (-9 , 6) , D ( -4 , 10 ) E (2,8) F (-3, 4) is a parallelogram.
Transcribed Image Text:Show that a quadrilateral with vertices C(-9,6), D(-4, 10), E (2, 8), F(-3,4) is a parallelogram.
Slope of CD = slope of FE =
%3D
Slope of DE = slope of CF =
Both pairs of opposite sides have the same slope. Since it (select) the case that both pairs of opposite
sides are parallel, CDEF (selectt) v
(select)
is not
a parallelogram.
IS
Transcribed Image Text:Show that a quadrilateral with vertices C(-9, 6), D(-4, 10), E (2, 8), F(-3, 4) Is a parallelogram.
Slope of CD = slope of FE =
%3D
Slope of DE = slope of CF=
Both pairs of opposite sides have the same slope. Since it (select) v the case that both pairs of opposite
sides are parallel, CDEF (select) va parallelogram.
(select)
is not
IS
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