OCR Text |
Show Height of Trees. When one Is out for n walk, it is u I cry common thing to wish to know thu height of u particular tree which happens to catch tho eye. When thu I" buu Is hldulng, it is poBSlblq uccurate-'ly uccurate-'ly to mcuburo tho height of thu tree from tho bhadow It casts on the ground. In order to do so, n stick must he hU upright In the ground, so that Us shaduw falls bebldu tho bhadow bhad-ow Of the tree. Then, (is tho length of ., thu hlUk's shadow to the stick's height, I so Is thu length of tho tree's shadow to tho tree's height. For example, I Mippohe a li'i-fout stock shows u bhadow bhad-ow It fe t long, und tho tree's bhnduw Is 18 feet long. Thereforo tho treu Is six times as high ns tho stick, which bliows that thu height of tho true will bo 10 feet. |