Answer:
E
Explanation:
The sum of the 3 angles in Δ PQT = 180°
Subtract the sum of the 2 given angles from 180° for ∠ PQT
∠ PQT = 180° - (45 + 75)° = 180° - 120° = 60°
The opposite angles in a parallelogram are congruent , then
∠ QRS = ∠ PQT = 60° → E