Final answer:
To draw the arcs, place the compass center at vertex P and intersect it with the specified line segments.
Step-by-step explanation:
To draw the arcs as described in the question:
a. Place the compass center at vertex P and draw an arc that intersects PQ and PR.
b. Place the compass center at vertex P and draw an arc that intersects PQ and PS.
c. Place the compass center at vertex P and draw an arc that intersects PR and PS.
d. Place the compass center at vertex P and draw an arc that intersects PS and PT.