hexagon

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29 07, 2017

What is a hexagon? Simple geometry

By |2019-08-13T22:11:41-07:00July 29th, 2017|Math|0 Comments

This is a hexagon. See, it has six sides that are all the same length. Definition of a hexagon A hexagon is a flat shape, all in one plane, with six sides all of equal length. Each of the six angles measures 120 degrees, so the total interior angles of this shape measure 720 degrees [...]

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 [...]

2 06, 2017

Ice, water, and simple chemistry

By |2019-09-09T06:23:08-07:00June 2nd, 2017|Chemistry|0 Comments

Ice chemistry: Perito Moreno glacier, Argentina (thanks to Argentina's Travel Guide) How water freezes into ice When water gets colder than 32 degrees Fahrenheit or zero degrees Celsius, it freezes into ice. What is water made of? From water to steam More about temperature All our chemistry articles As the water gets colder, [...]