0 a triangle with two sides of equal length --
1 a triangle that has two sides of equal length and two equal angles --
These two wings connect three corners of an isosceles triangle.
They are also stout, straight and have an isosceles triangle shape to their cross-section.
A triangle that has two angles with the same measure also has two sides with the same length, and therefore it is an isosceles triangle.
It can be described as two poles secured together at the top, forming a thin isosceles triangle.
The fort forms an isosceles triangle whose base is 200 m long and whose sides measure 225m ft.
The fort forms an isosceles triangle whose base is 300 m long and whose sides measure 235m ft.
Similarly, the line joining two antihomologous points on separate circles and their tangents form an isosceles triangle, with both tangents being of equal length.
Most triangular threadforms are based on an isosceles triangle.
