Q 5 . L e t P S b e a m e d i a n o f t h e t r i a n g l e P Q R w i t h v e r t i c e s P 2 , 2 , Q 5 , - 1 , R 7 , 3 . I f T i s t h e p o i n t 1 , - 4 t h e n S T i s p e r p e n d i c u l a r t o a P Q b Q R c R S d P S Share with your friends Share 0 Neha Sethi answered this Dear student Since PS is the median of △PQR.So, Coordinates of S=5+72,-1+32=6,1 ∵Coodinates of median is given by x1+x22,y1+y22Slope of a line is given by y2-y1x2-x1Slope of ST=-4-11-6=-5-5=1Slope of PQ=-1-25-2=-33=-1Slope of QR=3-(-1)7-5=42=2Slope RP=2-32-7=-1-5=15Now, Slope of ST×Slope of PQ=1×-1=-1So, ST is ⊥ PQ. ∵Two lines are said to be ⊥ if the product of their slopes is -1Hence , (a) is the correct option. Regards 0 View Full Answer Lakshmi Sridhar answered this I have not got an answer yet? Meritnation experts? what happened 0 Lakshmi Sridhar answered this CAN U GUYS PLEASE ANSWER I AM PAID MEMBER 0