SOLUTION: The sides of a triangle are 195, 157, and 210 respectively. What is the measure of the semi-perimeter and what is the area of the triangle? Thanks.

Algebra ->  Triangles -> SOLUTION: The sides of a triangle are 195, 157, and 210 respectively. What is the measure of the semi-perimeter and what is the area of the triangle? Thanks.      Log On


   

Question 1142821: The sides of a triangle are 195, 157, and 210 respectively. What is the measure of the semi-perimeter and what is the area of the triangle? Thanks.
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


The side lengths are a = 195; b = 157; c=210 (given).

The semiperimeter is half the perimeter: s+=+%28a%2Bb%2Bc%29%2F2. Use a calculator if needed.

Use Heron's formula to find the area: A+=+sqrt%28s%28s-a%29%28s-b%29%28s-c%29%29. You will need a calculator for that.