anonymous
  • anonymous
What is the length of a base of isoceles triangle if the center of the inscribed circle divides the altitude to the base with the ratio 12:5 (closer to the base), and the length of a leg is 60 cm.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@ganeshie8 @Zarkon HELP ME PLEASE
anonymous
  • anonymous
@phi @.Sam. @AravindG @amistre64
asnaseer
  • asnaseer
there is a relationship between the radius of the incircle and the triangles perimeter and area. Use that to help solve this question.

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anonymous
  • anonymous
I need help with the picture
asnaseer
  • asnaseer
|dw:1370104612309:dw|
asnaseer
  • asnaseer
you need to find the value of 2x
asnaseer
  • asnaseer
and you are told that:\[\frac{a}{r}=\frac{12}{5}\]
asnaseer
  • asnaseer
the radius of the incircle is given by:\[r=\frac{2A}{p}\]where A is the area of the triangle and p is its perimeter. Use these relations to solve for x.
ganeshie8
  • ganeshie8
try that, after that we wil try another way of solving this
asnaseer
  • asnaseer
I'd be interested in the other way as well... :)
ganeshie8
  • ganeshie8
using another way, im getting base = 2*60*(5/12).... il publish the solution once he finishes wid above method :)
asnaseer
  • asnaseer
I get the same answer. :)
phi
  • phi
you could do this |dw:1370106792475:dw|
asnaseer
  • asnaseer
Neat!

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