Question

(1,2),(a,4) ,(5,b) are the vertices of parallelogram find a and b

Answer 1

Step-by-step explanation:

Clearly, triangle with vertices A (6,0) ,B(0,6) and C(6,6) is a right-triangled right angled at C. So, the coordinates of its orthocentre are (6,6) and the circumcentre is the mid-point of hypotenus. AB. Thus, the coordinates of the circumcentre are (3,3)