From a rock ledge, the angle of elevation to the top of a tree is 22°. The angle of depression to the base of the tree is 12°.

a) Find the height of the rock ledge, to
the nearest metre.
b) Find the height of the tree, to the
nearest metre.

From a rock ledge the angle of elevation to the top of a tree is 22 The angle of depression to the base of the tree is 12 a Find the height of the rock ledge to class=