Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

C# C# Objects Inheritance Inheritance

Darya Zata
Darya Zata
2,562 Points

What is a Polygon?

I dont understand the question and the right answer, woud be nice someone can explain it, thank you!

Which of these code expressions evaluates to true?

A new Polygon(4) is Square B new Square(2.5) is Polygon

1 Answer

Steven Parker
Steven Parker
231,198 Points

Here's a few hints that may explain it:

  • an instance of a derived (or child) class is also a member of the class it inherits from
  • an instance of a parent class is not a member of a child class
  • "Square" inherits from "Polygon"