task2.js

class Shape {
  constructor(lenght, width) {
    this.lenght = lenght;
    this.width = width;
  }

  calculateArea() {
    console.log(
      `Area of the rectangle is ${this.lenght * this.width} meters sqaured`
    );
  }

  calculatePerimeter() {
    console.log(
      `Perimeter of the shape is ${
        (this.lenght + this.width) / 2
      } meters sqaured`
    );
  }
}

class Circle extends Shape {
  calculateArea() {
    console.log(
      `Area of the circle is ${(Math.PI * Math.pow(this.lenght, 2)).toFixed(
        2
      )} meters sqaured`
    );
  }
  calculatePerimeter() {
    console.log(
      `Perimeter of the circle is ${(2 * Math.PI * this.lenght).toFixed(
        2
      )} meters sqaured`
    );
  }
}

class Triangle extends Shape {
  constructor(lenght, width, extra) {
    super(lenght, width);
    this.extra = extra;
  }

  calculateArea() {
    console.log(
      `Area of the triangle is ${(0.5 * this.lenght * this.width).toFixed(
        2
      )} meters sqaured`
    );
  }
  calculatePerimeter() {
    console.log(
      `Perimeter of the triangle is ${(
        this.lenght +
        this.width +
        this.extra
      ).toFixed(2)} meters sqaured`
    );
  }
}

class Rectangle extends Shape {}

const circle1 = new Circle(3);
circle1.calculateArea();
circle1.calculatePerimeter();

const triangle1 = new Triangle(3, 2, 5);
triangle1.calculateArea();
triangle1.calculatePerimeter();

const rectangle1 = new Rectangle(3, 2);
rectangle1.calculateArea();
rectangle1.calculatePerimeter();