SOLUTION: I need to Find the area and the perimeter of a triangle using Herons thereom- the sides measure-285,285, and 434. Can you please show me step by step? Thanks

Algebra ->  Formulas -> SOLUTION: I need to Find the area and the perimeter of a triangle using Herons thereom- the sides measure-285,285, and 434. Can you please show me step by step? Thanks      Log On


   

Question 356267: I need to Find the area and the perimeter of a triangle using Herons thereom- the sides measure-285,285, and 434. Can you please show me step by step? Thanks
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find s.
s=%281%2F2%29%28a%2Bb%2Bc%29=%281%2F2%29%28285%2B285%2B434%29=%281%2F2%29%281004%29=502
Now find the area using Heron's formula.
A=sqrt%28%28s-a%29%28s-b%29%28s-c%29%29
A=sqrt%28%28502-285%29%28502-285%29%28502-434%29%29
Complete the calculation to find the area.