homework

geom.js

@@ -1,32 +1,79 @@
 class Rectangle {
-  constructor(length, width) {
-    this.length = length;
-    this.width = width;
-  }
+constructor(length, width) {
+this.length = length;
+this.width = width;
+}
+
+isSquare() {
+if (this.length===this.width) {
+return true;
+}
+}
+
+calcArea() {
+return this.length*this.width;
+}
+
+clacPerimeter() {
+return (2*this.length)+(2*this.width);
+}
+
 }
 
 
 class Triangle {
-  constructor(sideA, sideB, sideC){
-    this.sideA = sideA;
-    this.sideB = sideB;
-    this.sideC = sideC;
-  }
+
+constructor(sideA, sideB, sideC){
+this.sideA = sideA;
+this.sideB = sideB;
+this.sideC = sideC;
+}
+
+isEquilateral() {
+if (sideA===sideB===sideC) {
+return true;
+}
+}
+
+isIsosceles() {
+if (sideA===sideC) {
+return true;
+}
+}
+
+calcArea() {
+s = (this.sideA+this.sideB+this.sideC)/2;
+math.sqrt(s(s-this.sideA)(s-this.sideB)(s-this.sideC))
+}
+
+isObtuse() {
+if ((this.sideC>this.sideA)&&(this.sideC>this.sideB)) {
+return true;
+}
+}
+
 }
 
 
 class LineSegment {
-  constructor(x1, y1, x2, y2){
-    this.x1 = x1;
-    this.y1 = y1;
-    this.x2 = x2;
-    this.y2 = y2;
-  }
+
+constructor(x1, y1, x2, y2){
+this.x1 = x1;
+this.y1 = y1;
+this.x2 = x2;
+this.y2 = y2;
+}
+
+calcDist() {
+return math.sqrt((this.x2-this.x1)*(this.x2-this.x1)+(this.y2-this.y1)*(this.y2-this.y1));
+}
+
 }
 
 // NOTE: DO NOT REMOVE OR ALTER
 module.exports = {
-  Rectangle: Rectangle,
-  Triangle: Triangle,
-  LineSegment: LineSegment
+Rectangle: Rectangle,
+Triangle: Triangle,
+LineSegment: LineSegment
 }
+