Question

Find the co - ordinate of the income and centro id of the triangles whose vertices are (-36 , 7) , ( 20 , 7) , (0 , -8)

Answer 1

Determine the sides
Bc = a = 25 , CA = b = 39 , AB = c= 56
Where A , B , C are the vertices as given , Then the incentre by the formula
$x=\frac{\sum a{x}_1}{\sum a}y=\frac{\sum a{y}_1}{\sum a}$ is ( -1 , 0 )
centroid by 6
$x=(\sum x_1)/3,y=(\sum y_1)$ / 3 is (-16 /3, 2)