Oplossing week 34

$
\eqalign{
  & h_1  = \sqrt {13^2  - 12^2 }  = 5  \cr
  & h_2  = \sqrt {20^2  - 12^2 }  = 16  \cr
  & \frac{x}
{h} = \frac{{12}}
{{16}}\,\,en\,\,\frac{{12 - x}}
{h} = \frac{{12}}
{5}  \cr
  & 12h = 16x\,\,en\,\,12h = 5(12 - x)  \cr
  & 16x = 5(12 - x)  \cr
  & x = 2\frac{6}
{7}  \cr
  & h = 3\frac{{17}}
{{21}} \cr}
$

q13057img2.gif

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