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anonymous
 one year ago
The triangle in the diagram represents a mold that Anna uses to shape dough before baking. Anna also has a circular mold whose rim just fits inside the rim of the triangular mold. What is the radius of the circular mold?
anonymous
 one year ago
The triangle in the diagram represents a mold that Anna uses to shape dough before baking. Anna also has a circular mold whose rim just fits inside the rim of the triangular mold. What is the radius of the circular mold?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1434401279438:dw

theEric
 one year ago
Best ResponseYou've already chosen the best response.0Hi! Do you have a formula for this?

theEric
 one year ago
Best ResponseYou've already chosen the best response.0I found one at http://www.efunda.com/math/areas/CircleInscribeTriangleGen.cfm That should help! :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@theEric it still confuses me a bit can you explain it?

theEric
 one year ago
Best ResponseYou've already chosen the best response.0Okay! You need to find \(k\) to fit into the equation. \[k=\frac12(a+b+c)\]where \(a\), \(b\), and \(c\) are the lengths of the sides of your triangle.

theEric
 one year ago
Best ResponseYou've already chosen the best response.0Then you use those sides and \(k\) again in the expression \[\frac{\sqrt{k(ka)(kb)(kc)\ }}{k}\] The value of that expression IS the radius.
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