NOTE: You can ignore the module is not defined error you see in the console when opening index.html in the browser. You should still be able to test your code.

Define a Rectangle class. Its constructor should take a length and width as arguments.

Augment the class with the following methods...

• isSquare - returns true if the rectangle is a square.
• area - calculates the area of the rectangle.
• perimeter - calculates the perimeter of the rectangle.

Create a few rectangles with different lengths and widths.

Bonus: Test your outcomes using Jasmine!

Define a Triangle class. Its constructor should take three sides -- sideA sideB and sideC -- as arguments.

Augment the class with the following methods...

• isEquilateral - returns true if the triangle is equilateral.
• isIsosceles - return true if the triangle is isosceles.
• area - calculates the area of the Triangle.
• isObtuse - returns true if the triangle is obtuse.

Create a few rectangles with different lengths and widths.

Bonus: Test your outcomes using Jasmine!

Define a LineSegment class. Its constructor should take two pairs of coordinates -- x1 y1 x2 y2 -- as arguments.

Augment the class with the following method...

• length – calculates the length of the (x1, y1) --> (x2, y2) line segment.