Apr 06, 2018 · The tree's shadow (AB) is 9.3 meters long. From the location B, the sun is at an angle of is 43∘. We are given angle 43∘. Side opposite to this angle is AC, which is the height of the tree. tan(∠ABC) = Opposite Side/ Adjacent Side. AB ≈ 8.67239 meters. Hence, the tree is about 8.67 meters tall.. "/>