In $ riangle PQR$ with $\angle PQR = 90°$ and $E$ the midpoint of $QR$, then $PR^2 =$

Question

In $	riangle PQR$ with $\angle PQR = 90°$ and $E$ the midpoint of $QR$, then $PR^2 =$

Accepted Answer

$PE^2 + QE^2 + 2 RE^2$

Answer

$PE^2 + QE^2$

Answer

$PE^2 + 2 QE^2$

Answer

$PE^2 + RE^2 + 2 QE^2$

In △PQR\triangle PQR△PQR with ∠PQR=90°\angle PQR = 90°∠PQR=90° and EEE the midpoint of QRQRQR, then PR2=PR^2 =PR2=