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If triangle PQR , if PQ=6 c m, PR = 8 c m, QS=3 c m and PS is t he bisector of

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if bisector of length is asked then ans is 5.
12 years agoHelpfull: Yes(2) No(2)

see till now i have solved that pq/pr = qs/sr hence sr=4 and then now we have all the sides of the triangle as 6 ,7 , 8 and ps is the angular bisector of angle qpr now help me further
12 years agoHelpfull: Yes(2) No(1)
in triangle PQ^2+PR^2=2(PS)^2+2(QS)^2
now find ps=?/
calculate PS and anweer will be 6
12 years agoHelpfull: Yes(1) No(2)
pq as i can see
12 years agoHelpfull: Yes(1) No(2)
then what will be the length of QR????
12 years agoHelpfull: Yes(0) No(1)

TCS Other Question

x2 < 1/100
,
and x< 0 What is the tightest range in which x can lie?

-1/10 < x < 0
-1 < x < 0
-1/10 < x < 1/10
-1/10
5. A father and his son go out for a ‘walk-and-run’ every morning around a track formed by an equilateral triangle. The father’s walking speed is 2 mph and his running speed is 5 mph. The son’s walking and running speeds are twice that of his father. Both start together from one apex of the triangle, the son going clockwise and the father anti-clockwise. Initially the father runs and the son walks for a certain period of time. Thereafter, as soon as the father starts walking, the son starts running. Both complete the course in 45 minutes. For how long does the father run? Where do the two cross each other?