Plz help with these two. Geometry

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

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?