Logo Commands for Triangle

Fd forward bk backward rt right lt left. To make it type the following commands into the command box and press enter Repeat 3 Fd 250 Rt 120.

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Like in Activity 1 we can also apply the colour on your triangle.

. Sierpinski triangle using logo TO SIERPINSKI LENGTH RecursionStep. Can you draw a triangle with this set of Logo commands. Line 1 REPEAT 3 FORWARD LENGTH RIGHT 120.

Drawing Geometrical Figures in Logo. Reports the color for a name or value if possible. Following is an exercise to check your aptitude on what you have learned so far in this chapter.

FD 100 RT 120. You typed FD 100 two times right. BK 100 command moves the turtle 100 spaces back in the direction of its tail.

Reports a list of available color names. Erasing Commands 6 Pen Erase PE This command is used to erase the line while moving the turtle Eg. To poly sides length color setpencolor color repeat sides fd length rt 360sides end.

An Equilateral Triangle. Discuss how or why not. COLORINDEX BASECOLOR Coerces a color value to a basic Logo color number.

- The green triangle in the center of the Drawing Area is the Turtle. Fd 50 pe bk 30 By executing this command first the turtle will move forward 50 steps then pe command is executed after that while executing bk command turtle will come 30 steps backward by erasing the line. Activity 2 Draw a Triangle.

Unlike every other Logo procedure TO takes as its inputs the actual words typed in the instruction line as if they were all quoted rather than the results of evaluating expressions to provide the inputs. RT 90 command turns the turtle an angle 90 degrees to the right. You now should be able to understand why if you have a.

The commands that we explain are drawing commands variables arithmetic operators and procedures including recursive procedures. The easy way is to just type HOME. A triangles symmetry is pleasing to the eye especially when all 3 sides are the same size.

The commands and their abbreviations are given below. Drawing Commands The simple Logo drawing commands move the turtle forward and backward and turn it right or left. The number tells the turtle at which angle he should turn.

For some Logo commands separators are needed. Line 2 IF RecursionStep 1 STOP. Line 3 The procedure stops if RecursionStep is less than 1.

A full turn turning around at a full circle is 360 degrees. - The Programs List is on the left and the Drawing Area is on the right. The simple Logo Drawing Commands move the Turtle forward and backward and also turn it right or left.

Thats what special form means Logo responds to the TO command by entering procedure definition mode. Logo - Controlling the Turtle Pen. This means we can use the REPEAT command to draw an equilateral triangle.

44 Logo Part 1. FD 100 RT 140. Logo has a number of other drawing commands some of which are given below.

We know for a fact that two of the sides are equal. Following are few practice commands with the desired results on the right. An equilateral triangle has three sides of the same length and angles.

This command takes numbers as an input much like the forward command takes the distance to move the turtle. Clearscreen window hideturtle repeat 144 setlabelheight repcount penup fd repcount repcount 30 label Logo bk repcount repcount 30 pendown rt 10 wait 5 showturtle to tree size if size 5 forward size back size stop forward size 3 left 30 tree size 2 3 right 30 forward size 6 right 25 tree size 2 left 25 forward size 3 right 25 tree size 2 left 25 forward size 6 back. Either version of these commands can be used.

Lets try creating it now. In other words you are limited to the degree at which the little android figure can turn. Where N is the number of lines and R is the number of choices out of the seven lines or 3 for the making the triangles.

Theres a triangle three sides and three angles. The commands and their abbreviations are given below. Can you draw a triangle with this set of Logo commands.

N - R. LOGO has four basic commands. C NR 7 7-3.

Logo Draw uses aspects of the Logo Programming Language to introduce users to the fundamental concepts of software programming computer graphics geometry and logical thinking. FD 100 command moves the turtle forward 100 spaces pixels in the direction it is facing. In the case of a command that we define however we can decide how to.

Type the command shown below. No you cant draw a triangle with this set of Logo commands because it only turns at a 90 degree which would make a rectangle. The words left and right tell the turtle which side to turn to.

This set of Logo commands refers to the. It represents not only unity like a circle but also a sturdy construction and foundation like a square. Reports the name of a color if possible.

You can change the meaning of your logo just by changing the triangles orientation. Forward or abbreviation FD. Back or abbreviation BK.

A command to turn the turtle 90 degrees a right angle to the right side will. And the general formula for any number of lines therefore is C NR N. FD 100 RT 120.

Look at the angle down near HOME. For now lets get back to triangles A triangle has three sides and three angles. So lets make the corner into a triangle.

Discuss how or why not. Did you get an equilateral triangle. Geometrical figures can be drawn using the FD BK LT RT and HOME primitives.

5040 24 x 6 5 -1 5040144 35. Plus triangles in design have fantastic flexibility.

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Lesson 1 Getting Started With Turtle Graphics Turtle Graphics Msw Logo Commands Msw Logo