Assume ABC is congruent to PQR. If AB = 17, QR = 15, and PR = 23, what is BC? A. 23 units
B. 15 units
C. 8 units
D. 17 units

it is a 23 units

Step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

pi or 3.14159265359 is an irratinal decimal