Question

Find the circum center of a triangle whose vertices are (-2, -1) , (-1, 6 ) and (2, 7).​

Answer 1

(-1/3; 4)

Explanation:

(-2, -1) , (-1, 6 ) and (2, 7).​

x=(-2-1+2)/3= -1/3

y=(-1+6+7)/3=12/3=4

=> (-1/3; 4)