the rectangle represented the AB side is 4cm the side BC is 6 cm i want to build a triangle taking the AB segment and the third vertice inside the triangle so his area becomes higher than 8 cm*cm.

the area in cm*cm of the region of the rectangle in which can be chosen the third vertice of the triangle is:

a) 12
b) 16
c) 8
d) 10

D----C
- -
- - 6cm
- -
A----B
4cm