sorry if the pic is blurry if u can't tell what it says in the middle (where the line is) it says 4in and all the other number says 6in (there is 3 of them)- what is the area of this triangle

sorry if the pic is blurry if u cant tell what it says in the middle where the line is it says 4in and all the other number says 6in there is 3 of them what is class=