Answer
$12m$
Work Step by Step
We can find the height of the tree as
$\frac{h_{\circ}}{h_i}=\frac{d_{\circ}}{d_i}$
We plug in the known values to obtain:
$\frac{h_{\circ}}{0.038}=\frac{23}{0.07}$
$\implies h_{\circ}=12m$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.