Which pair of triangles are congruent by asa ?

To prove p is equal to q using an indirect proof what would your starting assumption be?

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3