16.02 Angles of elevation and depression

Find the angle of elevation from point $C$C to point $A$A.

Use $x$x as the angle of elevation and round your answer to two decimal places.

The angle of elevation from an observer to the top of a tree is $29^\circ$29°. The distance between the tree and the observer is $d$d metres and the tree is known to be $1.36$1.36 m high. Find the value of $d$d to $2$2 decimal places.

Valentina measures the angle of elevation to the top of a tree from a point, $22$22 metres away from the base, to be $40$40°. Find the height of the tree, $h$h, to the nearest metre.