The true statements would be A and B Reason is that one side is 20ft long a rectangle has 2 sets of matching sides. So we can say that 2 sides equal 20 feet each. Total being 40 feet So we take each B and multiply them by 2 for the two sides it shall equal. 6*2=12 8*2=16 Add those numbers to the 40 and will give you the corresponding amount of fence is required.
