0
3 cm
Add your answer:
Earn +20 pts
What is the name of a 4 sided 2D shape that has equal sides but isn't a parallelogram?
by definition all 4 sided 2D shapes with equal lengths are parallelograms because the lines on opposite sides must be parallel. However you may be looking for the word rhombus or diamond. Although I don't think you could forget the word diamond.
Which figure on the venn diagram are not parallelograms?
You must be looking at a Venn diagram of different kinds of quadrilaterals. Although I can't see your diagram, the most likely thing to look for is a trapezoid, or maybe a kite. Of course, there are many quadrilaterals with nothing special about them, they're just quadrilaterals.
Who can create illusions in twilight?
The Amazonian vampire Zafrina can create illusions in Twilight. I hope that's the answer you were looking for.. :D
How many acute angles are in a parallelogram?
Well, honey, a parallelogram has a grand total of zero acute angles. It's all about those congruent opposite angles being the same size, which means they're either both obtuse or both acute. So, if you're looking for acute angles, you better go find yourself a different shape to play with.
How many axes of symmetry does a paralllelogram have?
It depends on the type of parallelogram:The classic generic-looking parallelogram, having no right angles, and having adjacent sides of unequal length, has no lines of symmetry (only point symmetry about the point of intersection of the diagonals).Special types of parallelograms are as follows:A square has 4 lines of symmetry: horizontal, vertical, and one containing each diagonal.A non-square rhombus has two lines of symmetry: one containing each diagonal.A non-square rectangle has two lines of symmetry: horizontal and vertical.
How do your eyes see optical illusions?
They sort of see it. You are just looking it in a different way.
What does a parallelogram that is not a rectangle look like?
Try looking at a rhombus, maybe that will help.
How do you the area of a parrellogram?
To find the area of a parallelogram, multiply the base length by the height of the parallelogram. The formula for the area of a parallelogram is A = base * height.
Show you a picture of a four-sided polygon with opposite sides parallel and no right angles?
The picture you are looking for is a parallelogram.
What do you call a rectangle that is slanted?
A slanted rectangle is a parallelogram in the same way that a slanted square is a rhombus.
How is math related to optical illusions?
Optical Illusions is all about math and you will know by the time you finish reading this very short, but general status about optical illusions. Optical has a lot to do with math because when your brain is looking at something, you know exactly what it is. But when a professional tells you what the object actually is, you suddenly see it, your brain is doing all the math but it realizes it's messing up and looks at it more carefully.
Entertaining your Mind with Optical Illusions?
Optical illusions are pictures that use color, patterns, and light to trick the eyes and brain. When viewing an optical illusion, what the eyes see is interpreted by the brain, but the brain's interpretation does not match the true image. In fact, the brain sees something that is not really there. Optical illusions are fun to look at, but they also help scientists to learn how the brain works. Many optical illusions were created just to study how the brain processes visual information. There are three basic types of optical illusions: literal, physiological, and cognitive. Literal optical illusions form images that are unlike the objects that create them. The best way to understand a literal illusion is to look at one. An example of a literal illusion is the painting Bakery by Octavio Ocampo. In this painting, a woman sits in front of shelves full of bread in a bakery. However, the way the bread is arranged appears to form skulls. Another famous example of a literal optical illusion is the painting All Is Vanityby Charles Allan Gilbert in which a woman sitting at a vanity table looks like a skull when viewed from further away. Physiological illusions happen when excessive stimuli such as brightness, color, movement, or tilt, for example, cause the eyes or brain to see something that is not there. These illusions can also occur when stimuli compete. The Hermann grid illusion is a famous example of a physiological optical illusion. The Hermann grid is a white grid on a black background. When looking at it there appear to be gray dots at the intersections of the white lines, although in reality there are no gray dots. This is due to a physiological phenomenon called lateral inhibition which is when light and dark photoreceptors compete with each other and one part wants to become active and the other does not. This causes a perceptual illusion of gray dots on the grid. Cognitive illusions occur when the eye and brain make unintentional inferences. There are four types of cognitive illusions: ambiguous, distorting, paradox, and fictional. Ambiguous illusions offer two interpretations of a picture or object, but both can't be seen at the same time. A famous example of an ambiguous illusion is the Rubin vase, which either looks like a white vase or two face silhouettes facing each other. Distortions in length, size, and curves appear to be present in distorting illusions. A famous example of this type of illusion is the arrow illusion, otherwise known as the Mueller-Lyer illusion. In this illusion there are two lines that are the same size but one has the ends pointing in and one has ends pointing out; most people say that the line with the ends pointing in is longer. Paradox illusions are objects that are impossible in real life but look real in drawings, such as the Penrose stairs, which seem to go on forever without getting any higher. This illusion is due to the faulty belief that adjacent edges have to meet. The Penrose triangle is another example of a paradox illusion. Fictional illusions are only seen by a single person; they are actually hallucinations. They can be induced by alcohol or drugs, or by health conditions such as schizophrenia. Examples of fictional illusions are seeing double of one object or seeing something move when it really doesn't. Literal, physiological, and cognitive illusions all deceive the eyes and brain. People have been fascinated by optical illusions throughout history, and continue to be fascinated by them today. Paintings, books, and drawings of optical illusions have become famous because they are fun to look at; however, they also help scientists to discover how the brain works. Fun and science often go hand in hand. To learn more about optical illusions, please see the following links: Exploring Optical Illusions Types of Optical Illusions What You See Isn't Always What You Get! The Science of Light Optical Illusions Cognitive Illusions Gallery of Visual Illusions Different Optical Illusions Eye Popping Illusions Visual Illusion Illusion Optical Illusions for Teens Bio-Plasmics Optical Illusions Shedding Light When What You See IsNot What's There? Fun Visual Tricks & Optical Illusions 106 Visual Phenomena & Optical Illusions Rolling Uphill Can You Believe Your Eyes? Physiological Illusions Collection of Optical Illusions Seeing Swirling Snakes Arrows Optical Illusion Thaumatrope: An Optical Illusion Fun Optical Illusions 3D Illusions Pavement Drawings Using Illusions to Understand the Brain Optical Illusions Gallery What is an Optical Illusion Literal Optical Illusions The Hermann Grid
