=3/2+ 9/4+ 2/2
=1.5+ 2.25+ 1
=4.75
It would be 224 , the base is 64 and every triangle is 80 but if you follow the rule for area to a triangle you get 40
So 64+40+40+40+40= 224
Yes, -9 can be written as a fraction over 1, meaning it is a rational number

The longest angle would be across from the one with the longest side. In this case it would be across from DF