Polygons, quadrilaterals, and triangles, oh my!

Shapes, shapes, shapes! Shapes are fun to learn in pre-school when all you need to know what it is. fast-forward to geometry and they have lines, and angles, and vertices, and they can also be convex or concave, simple or closed.. Uhmm yikes! It all starts with a polygon. A polygon is a plane figure with at least three straight sides. Each polygon is classified by its number of sides. And some polygons can be other polygons, but those certain polygons can't be the first polygons. Weird, right? For example, a square can be considered a rectangle, but a rectangle can not be considered a square. But why you ask? Let me explain. A square is classified as having four equal sides and four right angles, BUT a rectangle is classified by having four right angles and two pairs of opposite, equal sides. Tricky, right?

Now let me tell you about triangles. They have three types, a scalene, an isosceles, or an equilateral. But wait, there is more! It can also be an acute, right or obtuse isosceles, or an acute, right or obtuse scalene. Lets break these down. A scalene triangle has no equal sides, an isosceles has at least two equal sides, and an equilateral has all three sided equal. Now lets talk about the angles! An acute angle is less than ninety degrees, an obtuse angle is over ninety degrees, and a right angle is exactly ninety degrees. 

Its crazy how much vocabulary geometry has! (This isn't even half of it) Now I wanted to make sure I found a fun study game to help me with my not-so-simple shapes! Click here to play the triangle game and Click here to play the quadrilateral game! Go check them out! Thanks for reading!