I need help fast like for real fast. No links to get me. Kidnapped

5.3

Explanation: √s(s-a)(s-b)(s-c)

√s(s-a)(s-b)(s-c)= √6.5×(6.5 - 6)×(6.5 - 4)×(6.5 - 3

just find the gcf and solve the gcf's until you get each answer i have a really good feeling somethings missing xd (like the dimensions of the fence) *cough *cough *hint *hint

step-by-step explanation:

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80