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Inside angle of a shape

JavaScript Beginner robot ages 11-13 From CS Unplugged

The problem

In a regular shape all sides and angles are the same. Write a function insideAngle(sides) that gives back the size of each inside angle in degrees. The rule is (sides - 2) times 180, divided by sides. Example: a square (4 sides) has 90 degree angles.

You will practice: maths in code, functions, division

Mode

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Test results

      What your code printed

      
    
      
  
      

  

  
  
  
      
    
      CC BY-SA 4.0
      
    
      Adapted from a CS Unplugged programming challenge by the University of Canterbury Computer Science Education Research Group, licensed CC BY-SA 4.0.
      
    
      Original challenge · License: CC BY-SA 4.0
      
    
      Changes: Rewritten in our own words as a function with tests, hints and steps, in Python and JavaScript, by Open Cosmos. This version is also CC BY-SA 4.0.