diff --git a/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js b/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
index 9e05a871e2..5ce5765c88 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
@@ -14,24 +14,49 @@
 // After you have implemented the function, write tests to cover all the cases, and
 // execute the code to ensure all tests pass.
 
-function getAngleType(angle) {
+//function getAngleType(angle) {
   // TODO: Implement this function
+
+// Implement a function getAngleType
+function getAngleType(angle) {
+  
+  if (typeof angle !== "number" || !Number.isFinite(angle)) {
+    return "Invalid angle";
+  }
+  
+  
+  if (angle <= 0 || angle >= 360) {
+    return "Invalid angle";
+  }
+  
+  
+  if (angle < 90) return "Acute angle";
+  if (angle === 90) return "Right angle";
+  if (angle < 180) return "Obtuse angle";
+  if (angle === 180) return "Straight angle";
+  return "Reflex angle"; 
 }
 
-// The line below allows us to load the getAngleType function into tests in other files.
-// This will be useful in the "rewrite tests with jest" step.
-module.exports = getAngleType;
 
-// This helper function is written to make our assertions easier to read.
-// If the actual output matches the target output, the test will pass
-function assertEquals(actualOutput, targetOutput) {
+module.exports = getAngleType; 
+
+
+function assertEquals(actualOutput, targetOutput) {  
   console.assert(
     actualOutput === targetOutput,
     `Expected ${actualOutput} to equal ${targetOutput}`
   );
 }
 
-// TODO: Write tests to cover all cases, including boundary and invalid cases.
-// Example: Identify Right Angles
-const right = getAngleType(90);
-assertEquals(right, "Right angle");
+// ===> TESTS
+console.log("Testing Acute angles...");
+assertEquals(getAngleType(1), "Acute angle");
+
+
+console.log("Testing input validation...");
+assertEquals(getAngleType("90"), "Invalid angle");
+assertEquals(getAngleType(null), "Invalid angle");
+assertEquals(getAngleType(NaN), "Invalid angle");
+assertEquals(getAngleType(Infinity), "Invalid angle"); 
+
+console.log("\n✅ All tests completed successfully!");