A tree leans at an angle of 8.0 degrees from the vertical. From a point on level ground 7.0 m from the bottom of the tree, the angle of elevation to the top of the tree is 68 degrees. How tall is the tree?
1 Answer
Jun 25, 2016
h= 12.98 metres
Explanation:
The tree is leaning over so, the triangle is no longer right-angled.
The angle at the base of the tree is 82°, and at the observer is 68°, so the angle at the top of the tree is 30°.
We can use the Sine Rule. The height of the tree is opposite the angle of of 68°
