Which statement is true about Angle B P D?

Line A B intersect line C D at point P.

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Acircle has a circumference of 28.36 units what is the diameter of the circle

Acircle has a circumference of 7.850 units. what is its radius?