Intro to Trig:
Basic Elements of Right Triangle Trigonometry


An Introductory Project in Trigonometry using The Geometer's Sketchpad

The Problem

Problem Description

You currently work for your hometown's fire department. They have placed you in charge of buying a new ladder for the department. You need to find out, how tall a ladder to purchase so that you'll be able to reach the top of any building in town. The tallest building is ten stories high. How tall a ladder do you have to buy?

Continue on to the lesson.