Rotation of a triangle

Challenge Level: Beginner

Learning outcomes

Students will be able to:

Explain how sequence works in programming.
Computer Science: Programming
Explain why a program gives the output that it does.
Computer Science: Programming
Identify how and when to use a loop to repeat a set of instructions.
Computer Science: Programming

Requirement:

Write a program that draws a triangle, starting from point x:0, y:0, with its each 3 sides equal to 100 steps. Your program must then draw triangles that are each rotated 15 degrees from the previous one, changing its colour every time it draws a new triangle.

Testing examples:

There are no testing examples for this challenge.

Languages

Scratch

What it should look like

Click on the green flag to see the expected output of your program.

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Recommended blocks

Hints

You may change the pen’s colour by a specified amount by using the block under the “pen” script.
You can speed up the drawing by selecting the turbo speed under the edit menu.

Show Scratch solution

Extra Challenge

Extra challenge #1: Edit your program so it the triangle rotates over and over (use a FOREVER block under the “control” script) for any given degrees entered by the user as the input.