+91-87964 74404
FlagBACK
Question icon
Grade 11Analytical Geometry

1)H(3,4) and C(1,2) are orthocenter and circumcentre of triangle PQR and equation of PQ is x-y+7=0 then a) equation of circumcircle (x-1)2+(y-2)2=80 b) equation of circumcircle (x-1)2+(y-2)2=70 c) centroid is (5/3,8/3) d) circumradius is v70

Profile image of Vatsal Koradia
15 Years agoGrade 11
Answers icon

1 Answer

Profile image of SAGAR SINGH - IIT DELHI
ApprovedApproved Tutor Answer15 Years ago

Dear student,

The correct option is c)

Other Related Questions on analytical geometry

question mark
  • The locus of the point represented by x= t^2 +t+1 and y=t^-t+1 is 
analytical geometry
1 Answer Available

Last Activity: 4 Years ago

question mark
show that the centroids of the triangles of which three perpendiculars lie along the lines y=m1x,y=m2x,y=m3x lie on y(3+m2m3+m3m2+m1m2)=x(m1+m2+m3+3m1m2m3)
analytical geometry
1 Answer Available

Last Activity: 4 Years ago

question mark
show that the equation (ab-h²)(ax²+2hxy+by²+2gx+2fy)+af²+bg²-2fgh=0 represent a pair of straight lines and that these straight lines form a rhombus with the lines ax²+2hxy+by²=0
analytical geometry
1 Answer Available

Last Activity: 4 Years ago

question mark
A circle has its center on straight line 5x-2y+1=0 and cuts the x axis at two points whose absciasse are -5,3 find equation of the circle and it's radius. 
 
analytical geometry
1 Answer Available

Last Activity: 4 Years ago

question mark
Prove that ax^2+by^2+cz^2 +2ux+2vy+2wz+d=0 represent a cone if u^2/a+v^/b+w^2/c=d
analytical geometry
1 Answer Available

Last Activity: 4 Years ago