Illustration used to show how to draw an equilateral triangle when given the altitude.

Construction Of Equilateral Triangle

Illustration used to show how to draw an equilateral triangle when given the altitude.

An illustration showing the Battle of Abraham Heights.

Battle of the Heights of Abraham

An illustration showing the Battle of Abraham Heights.

Triangle diagram for measuring heights of trees using proportions.

Using Proportions To Find Heights of Trees

Triangle diagram for measuring heights of trees using proportions.

Triangle diagram for measuring heights of trees using proportions

Using Proportions To Find Heights of Trees

Triangle diagram for measuring heights of trees using proportions

Illustration that shows two similar triangles with altitudes drawn.

Similar Triangles With Altitudes Drawn

Illustration that shows two similar triangles with altitudes drawn.

A monument to Generals Wolfe and Montcalm, both slain at the Heights of Abraham.

Monument to Wolfe and Montcalm

A monument to Generals Wolfe and Montcalm, both slain at the Heights of Abraham.