So.. notice the picture below
and thus, we also know, that A = 51, thus
now, the height is just a value, it can't be negative, thus we can rule out -17, thus h = 6
and surely you'd know what the base is
and thus, we also know, that A = 51, thus
now, the height is just a value, it can't be negative, thus we can rule out -17, thus h = 6
and surely you'd know what the base is