A triangle is one of the most fundamental shapes in geometry, consisting of three sides and three angles. One common requirement when working with triangles is calculating the height (or altitude) of ...
TRIANGLE: Now he's 4 cm high and 3 cm wide, like me. He's 12 square cm, so I must be half that… 6 square centimetres! And whatever shape I am it still works! RECTANGLE: You're just really embarrassing ...