Home/Tag: isosceles
29 07, 2017

What is a triangle? Simple geometry

By |2017-07-29T13:19:10-07:00July 29th, 2017|Math|0 Comments

This is an equilateral triangle. A triangle is any set of three points on a plane and the lines connecting those points to each other, as long as the three points aren't all on the same line (that would just be a line). Or, you could think of a triangle as the part of the plane that lies [...]

29 07, 2017

What is an isosceles triangle? Simple geometry

By |2019-10-07T18:17:58-07:00July 29th, 2017|Math|0 Comments

This is an isosceles triangle. Definition of an isosceles triangle Isosceles triangles have at least two sides that are exactly the same length. This forces two of their angles to also be acute angles of exactly the same size. What is a triangle? More geometry All our math articles In this blue triangle, the two longer sides are the [...]

29 07, 2017

Equilateral triangle – Simple geometry

By |2019-05-30T20:07:26-07:00July 29th, 2017|Math|0 Comments

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 all the same size, so they're each one third of 180 degrees, or 60 degrees. What is a triangle? What are angles? All [...]

28 07, 2017

Bilateral symmetry – Geometry

By |2019-02-14T07:17:30-07:00July 28th, 2017|Biology, Math|0 Comments

A butterfly has bilateral symmetry. Thanks to Wikimedia Commons What is bilateral symmetry? A shape has bilateral symmetry when it is the same on both sides of a line drawn down the middle. Are humans symmetrical? Venus of Lespugue, ca. 25000 BC, now in the Musee du Quai Branly, Paris You [...]

27 07, 2017

What’s an angle? Geometry made simple

By |2017-07-29T10:01:22-07:00July 27th, 2017|Math|0 Comments

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), so, like a circle, they have to add up to 360 degrees. If the two lines are perpendicular to each other, then the four angles [...]

18 07, 2017

Who was Thales of Miletus? Greek Astronomy

By |2018-04-23T14:20:25-07:00July 18th, 2017|Greeks, Science|0 Comments

Thales of Miletus might have watched plays in this theater at Miletus (before it had stone seats) Biography of Thales Thales was born in what's now Turkey, in the city of Miletus, about 630 BC, during the Archaic period. At that time, Miletus was a city where people spoke Greek, though it may have paid taxes or [...]

2 07, 2017

What is a pediment? Greek architecture

By |2017-07-29T09:59:18-07:00July 2nd, 2017|Architecture, Greeks|0 Comments

The pediment is the triangular place under the roof of a Greek temple. Each temple has two pediments, one on the front and one on the back. They're always isosceles triangles. At first pediments were probably plain, but soon the Greeks began to decorate pediments with stone sculpture. One of the earliest pediments, on the [...]