2points
pedro is going to use sas to prove that a pqr asqr.
a
which of these is a necessary step in pedro's proof?
o
a. prove that qr qr by the reflexive property.
o
h
prove that 2 qpr = 2 qsr by the isosceles triangle theorem.
o
c. prove that pqr = sqr by vertical angles.
o
d. prove that pq - sq by cpctc.