The vertices of a triangle are (0, 0), (1,0) and (0,1). Then excentre opposite to (0, 0) is

The vertices of a triangle are (0, 0), (3, 0) and (0, 4). Its orthocentre is at:

The vertices of a triangle are (1, 0), (4, 0) and (4, 4). Its area is :

The vertices of a triangle are (1, 0), (4, 0) and (4, 4). Its area is :

The vertices of a triangle are A(0, 0), B(1, 0) and C(0, 2). The point of intersection of bisectors of internal angles is

The vertices of a triangle are (a, 0), (-a, 0) and (0, sqrt(3a)) . Show that the triangle is equilateral.

The triangle with vertices (0,0), (2,0) and (0,3) is

The perimeter of a triangle with vertices (0,3) (0,0) and (4,0) is

The perimeter of a triangle with vertices (0,4),(0,0) and (3,0) is

The perimeter of a triangle with vertices (0,4), (0,0) and (3,0) is

The perimeter of a triangle with vertices (0,3) (0,0) and (4,0) is