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.

As soon as look at the parallelogram abcd shown below: the table below shows the steps to prove that if the quadrilateral abcd is a parallelogram, then its opposite sides are congruent: which choice completes the missing information for reason 5 in the chart? (6 points) congruent parallelograms congruent triangles similar angles similar triangles

The graph is supposed to show f(x) = 3 sin (x/4+1) - 1/2. which of the following are correctly represented in the graph? select two of the following that apply.

Which two angles in the figure are adjacent angles?