# angles

2 08, 2017

## King Arthur’s Britain – Medieval history

By |2019-09-11T11:29:54-07:00August 2nd, 2017|History, Medieval|Comments Off on King Arthur’s Britain – Medieval history

Like the people King Arthur was fighting: Sutton Hoo invaders' helmet (500s-600s AD, now in the British Museum) The end of Roman Britain When Constantine III revolted in England in 406 AD and [...]

29 07, 2017

## Equilateral triangle – Simple geometry

By |2019-05-30T20:07:26-07:00July 29th, 2017|Math|Comments Off on Equilateral triangle – Simple geometry

This is an equilateral triangle. What makes a triangle equilateral? Equilateral triangles have all three sides exactly the same length. Because their sides are the same length, the three angles of an equilateral triangle are also [...]

27 07, 2017

## What’s an angle? Geometry made simple

By |2017-07-29T10:01:22-07:00July 27th, 2017|Math|Comments Off on What’s an angle? Geometry made simple

Two lines cross and form four angles Where any two lines cross each other, they form four angles. These angles are parts of a circle (as you can see from the green circle segments), [...]

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