Find the complement of an angle whose measure is 38 degrees and 11 minutes

the angle of elevation from a point on the ground to the top of a mountain top is 52.5o. the angle of elevation from a point 168 feet further back to the same mountain top is 41.2o. find the height of the mountain. (round to integer)

Find the measure of angle a

A tree casts a shadow 14 feet long. A flagpole that is 20 feet tall casts a shadow 8 feet long. The triangle formed by the tree and its shadow is similar to the triangle formed by the flagpole and its shadow. Verify that the tree is 35 feet tall.

Part of the Tower Bridge in London is a drawbridge. This part of the bridge is 76.0 m long. When each half is raised, the distance between them is 8.0 m. What angle does each half make with the horizontal? 8 m 76 m

Find the largest angle for a triangle with side lengths of 101, 125, and 159. Give clearly stepwise solution. Don't skip any steps.