Question

find the circumcentre of the triangle whose vertices are {1,0} {-1,2} {3,2}

Answer 1

base of triangle is 4 units,height of triangle is 2 units, other two sides of triangles are 2√2 and 2√2 ,so circumference of triangle = 4+2√2 +2√2 =4+4√2 =9.656 units