SOLUTION: Find the area of the inscribed circle of a triangle, where the triangle has an area of 756 cm squared (cm^2) and a perimeter of 168 cm.

Algebra ->  Triangles -> SOLUTION: Find the area of the inscribed circle of a triangle, where the triangle has an area of 756 cm squared (cm^2) and a perimeter of 168 cm.      Log On


   

Question 1109428: Find the area of the inscribed circle of a triangle, where the triangle has an area of 756 cm squared (cm^2) and a perimeter of 168 cm.
Answer by ikleyn(52754) About Me  (Show Source):
You can put this solution on YOUR website!
.
r = A%2F%28%28P%2F2%29%29,

where A is the area of the triangle and P is its perimeter.

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See the lesson
    - Proof of the formula for the area of a triangle via the radius of the inscribed circle
in this site.

Also,  you have this free of charge online textbook on Geometry
    GEOMETRY - YOUR ONLINE TEXTBOOK
in this site.

The referred lesson is the part of this online textbook under the topic "Area of triangles".


Save the link to this online textbook together with its description

Free of charge online textbook in GEOMETRY
https://www.algebra.com/algebra/homework/Triangles/GEOMETRY-your-online-textbook.lesson

to your archive and use it when it is needed.