Question

ABCD is a triangle whose three vertices are B(4,0),C(4,3) and D(0,3). Find the length of one of its diagonal.

Answer 1

How can ABCD a triangle, its a quadrilateral.

Answer 2

X=x1 + x2/2
=4+0/2
=2
Y=y1+y2/2
=0+3/2
=3/2
DIAGONAL BD =(2,3/2)