Question

S
). In a parallelogram PQRS (Fig. 11.20),
T is the midpoint of PQ and ST bisects
angleS. Prove that:
a) QR = QT
b) RT bisects angleR
c) angleSTR = 90°
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Answer 1

Answer:

(c) angleSTR = 90°

Step-by-step explanation:

I am sure