Help please
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
A triangle A B C has four lines A sub 1 A sub 2, B sub 1 B sub 2 passing through A, and B, lines P sub 1 P sub 2, Q sub 1 Q sub 2 are passing through it intersecting each other at P, Q, R, S, and T.

In the diagram,
and
are the perpendicular bisectors of
and
, respectively.
and
are the angle bisectors of ∠A and ∠B, respectively.

The center of the inscribed circle of ΔABC is point
, and the center of the circumscribed circle of ΔABC is point
.