| First construct an isosceles triangle whose base angles are double the vertex angle. |
| Mathematicians sometimes say that A is an arbitrary isosceles triangle, but all they mean is that A could be any such triangle. |
| A gaily coloured hat hung from one of the boats, and over each floated a red flag shaped like an isosceles triangle. |
| The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side. |
| He described the island as having the form of an isosceles triangle, as may be seen upon the foregoing plan. |
| The particular tablet which interests us here investigates how to calculate the radius of a circle through the vertices of an isosceles triangle. |
