Learn about angles in triangles and quadrilaterals with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

It categorizes triangles into equilateral, isosceles, scalene, obtuse, right, and acute based on their sides and angles. The video also covers the concept of congruency, demonstrating how two ...

For each of these less-than-360-degree angles you get positive curvature and the shapes bend around into regular three-dimensional polyhedrons—but when you have 6 triangles connecting at a ...

Equilateral Triangle Symbolism An equilateral triangle, as we’ve already learned, is a "perfect" triangle with 90-degree angles on each corner. All sides are exactly the same length. This ...

In an equilateral triangle, all three angles are equal to 60˚. To find the missing angles in an equilateral triangle, divide the sum of interior angles in a triangle by 3 ...