COMEDK2017MathematicsProperties of Triangles
The sides of a triangle are x=2, y+1=0 and x+2 y=4 . Its circumcentre is
Options
- A(4,0)
- B(2,-1)
- C(0,4)
- D(2,3)
Correct answer
A. (4,0)
Step-by-step solution
The vertices are (2,-1),(6,-1),(2,1) forming a right angled triangle. Circumcentre is the mid-point of the hypotenuse, i.e., ( 6+2 2 , 1-1 2 )=(4,0)