Can you tell me how to remember Quadrilaterals? Bi means two, tri means three, quad means four. I knew that much. Quadrilateral simply means four sides with four angles. It is hard to make a triangle with four sides unless you’ve tacked on a tail. A quadrilateral has to have two dimensions, so no 3D. Its sides have to be straight. At that point, it is a squiggly. Quadrilaterals with four equal sides are a square if a right angle,

## Two-Dimensional Shapes – Polygons – Triangles, Quadrilaterals, Pentagons…

G’day and welcome to Xcelerate Maths. In this lesson we will learn about two-dimensional shapes. So what is a dimension? Well a dimension is a measurement in a particular direction. For example a line only has one dimension, just its length. Two dimensional shapes are flat shapes or plane shapes that have two dimensions. That is, a length and a width but they have no depth. 3D solids have three dimensions: a length, a width, and a depth. 2D shapes

## Geometric Shapes

Hi I’m Mackencie I’m Sam I’m Clayton Today we will be teaching you about geometric shapes. The first shape we will be learning today is called a circle. This is what it looks like. A circle has one face and one continuous line. To make a circle start at the top. Go all the way down to the ground, and circle back up to the sky. The next shape we will be learning is called a rectangle. A rectangle has

## Properties of a rhombus, rectangle, and a square

Hello welcome to MooMooMath. In this video I would like to talk about rectangles,rhombuses, and squares. Each of these shapes are pland 2 dimensional shapes. Each of these shapes are considered a polygon, which is a closed figure composed of line segments. They also are considered quadrilaterals which mean they each have 4 sides They also are all parallelograms.which means they have opposite sides that are parallel. Let’s look at some unique properties of a rhombus,rectangle, and a square. Let’s

## Types of Quadrilaterals and Other Polygons

Professor Dave again, let’s learn some more shapes. We’ve been talking about triangles for a while now, so let’s talk about shapes with more than three sides. Any shape with four sides is called a quadrilateral, and there are many different types. With four sides there must be four angles, and if we place various constraints on these sides and angles, we get specific types of quadrilaterals. For example, if a quadrilateral has precisely one pair of parallel sides, it