For triangle PQR, find equation of altitude PS if co-Âordinates of – McqOptions

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1.	For triangle PQR, find equation of altitude PS if co-Âordinates of P, Q and R are (1,2), (2,Â-1) and (0,5) respectively?
A.	x Â- 3y = Â-7
B.	x -Â 3y = -Â5
C.	x + 3y = Â4
D.	x + 3y = Â7
Answer» D. x + 3y = Â7

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