Interior angles in a triangle add up to 180˚. Triangles close triangleA polygon with three straight sides. have three sides, therefore they have three angles. Interior angles in a triangle sum to a ...

An angle is the space between two lines that start at the same point. Angles are measured in degrees (°). They can measure between 0° and 360°. Different types of angles include acute, obtuse, reflex ...

The oldest example of applied geometry has been discovered on a 3,700-year-old clay tablet featuring maths attributed to Pythagoras 1,000 years later. The tablet, known as Si.427 was discovered in the ...

A UNSW mathematician has revealed the origins of applied geometry on a 3700-year-old clay tablet that has been hiding in plain sight in a museum in Istanbul for over a century. The tablet – known as ...