statement reason

m/1 = 90° given
[ blank ]. vertical angles theorem
m/1 = m/2. [ blank ]
[ blank ]. substitution property of equality
/2 is a right angle. definition of right angle
^ PQR is a right triangle [ blank ]​

statement reasonm1 90 given blank vertical angles theoremm1 m2 blank blank substitution property of equality 2 is a right angle definition of right angle PQR is class=