Lemma
DeepRight triangles
OpenStax, Algebra and Trigonometry 2e §7.2 Right Triangle Trigonometry · Exercise 49 · Trigonometry · Right triangles

Right Triangle Trigonometry · Exercise 49

A 400-foot tall monument is located in the distance. From a window in a building, a person determines that the angle of elevation to the top of the monument is and that the angle of depression to the bottom of the monument is How far is the person from the monument?

~11 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §7.2 Right Triangle Trigonometry · Exercise 49

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.