A maths professor shared a quiz on social media that begins with a drawing of a small triangle within another bigger triangle ...

The techniques used are useful for solving all kinds of other geometry problems too ... 360 The sum of interior angles in a triangle is 180˚. In an equilateral triangle, all three angles are ...

They often identify them solely based on their resemblance to prototypes: e.g., a shape will be called a triangle if it looks like an equilateral triangle with a horizontal base – all others are ...

Two congruent angles are simply pairs of angles with equal measures. You can find congruent angles examples in hundreds of everyday objects.

The ancient Greek mathematician Euclid proved in his Elements of Geometry that there are only five Platonic solids – the regular tetrahedron (four sides that are equilateral triangles), the cube (six ...

It consists of an equilateral triangle divided into four congruent smaller versions ... time that ‘[the Sierpiński triangle] is only seeing its true benefits in the mathematics of today.’ Called the ...

You may hear students say words like ‘paralyzed’ triangle for isosceles and equilateral triangles after noticing the restrictive movements of these triangles upon dragging. Properties of symmetry: - ...