Question

14) If P - Q - R , l ( PQ ) = 3√2 , l(PR) = 5√2 ,then Find l(QR) =? *
2 points
√2
2√2
7√2
None of these

Answer 1

Answer:

PQ+QR=PR

QR=PR-PQ

5√2-3√2

=2√2