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If CDEF is a trapezoid with vertices C(0,2), D(2, 4), E(7, 3) and F(1, -3). Show...

If CDEF is a trapezoid with vertices C(0,2), D(2, 4), E(7, 3) and F(1, -3). Show whether or not CDEF is an isosceles trapezoid. Please show work.

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