SOLUTION: A handyman is installing a tile floor in a triangle shaped entry way. The length of each wall is 11.3 feet, 15.8 feet, and 14.7 feet. If the tile will cost $5.8 per square foot, ho

Algebra ->  Triangles -> SOLUTION: A handyman is installing a tile floor in a triangle shaped entry way. The length of each wall is 11.3 feet, 15.8 feet, and 14.7 feet. If the tile will cost $5.8 per square foot, ho      Log On


   

Question 1199077: A handyman is installing a tile floor in a triangle shaped entry way. The length of each wall is 11.3 feet, 15.8 feet, and 14.7 feet. If the tile will cost $5.8 per square foot, how much will the new floor cost?
Answer by ikleyn(52777) About Me  (Show Source):
You can put this solution on YOUR website!
.

Find the area of the triangular floor using the Heron formula.

Then multiply the area by the price per square foot.


On the Heron's formula,  see the lessons
    - Proof of the Heron's formula for the area of a triangle
    - One more proof of the Heron's formula for the area of a triangle
in this site.