Question 251927
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Similar right triangles.  Big triangle has a leg that is the total length of the shadow (the distance he walked plus the length of his shadow) and another leg that is the tree itself.  Small triangle is Ivan's shadow and Ivan.  Corresponding sides of similar triangles are in proportion, so:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \frac{1.96}{7.44}\ =\ \frac{x}{18.43\,+\,7.44}]


Solve for *[tex \Large x] to the nearest one-hundredth meter.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
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