Question

The height of a tree can be measured by ​

Answer 1

Explanation:

Many clinometers and Abney levels have a percent-grade scale that gives 100 times the tangent of the angle. This scale gives the tree height in feet directly when measured at a distance of 100 feet (30 m) from the tree. The same process is used to measure the height of the base of the tree above or below eye level.

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Answer 2

Answer:

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Explanation:

Tree Height Measurement. You can measure heights of very tall objects such as trees by projecting a right triangle (one that includes a 90 degree angle) using your arm, a stick, and your line-of sight.