From e99871f83452ab99fbf25f611d71d1622161056d Mon Sep 17 00:00:00 2001
From: kvadrik <41710943+kvadrik@users.noreply.github.com>
Date: Fri, 27 Feb 2026 17:40:20 +0200
Subject: [PATCH 1/4] Added volume of a pyramid frustum

Added a function calculating volume of a pyramid frustum, V=(S1+S2+sqrt(S1*S2))*h/3
---
 src/main/java/com/thealgorithms/maths/Volume.java | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/main/java/com/thealgorithms/maths/Volume.java b/src/main/java/com/thealgorithms/maths/Volume.java
index 0f282b2abae2..6d6cb8f7a062 100644
--- a/src/main/java/com/thealgorithms/maths/Volume.java
+++ b/src/main/java/com/thealgorithms/maths/Volume.java
@@ -102,4 +102,15 @@ public static double volumePyramid(double baseArea, double height) {
     public static double volumeFrustumOfCone(double r1, double r2, double height) {
         return (Math.PI * height / 3) * (r1 * r1 + r2 * r2 + r1 * r2);
     }
+
+    /**
+     * Calculate the volume of a frustum of a pyramid.
+     *
+     * @param upperBaseArea area of the upper base
+     * @param lowerBaseArea area of the lower base
+     * @param height height of the frustum
+     * @return volume of the frustum
+     */    
+    public static double volumeFrustumOfPyramid(double upperBaseArea, double lowerBaseArea, double height) {
+        return (upperBaseArea + lowerBaseArea + Math.sqrt(upperBaseArea * lowerBaseArea)) * height / 3;
 }

From c6dbcef1a89f25f8b804d38f03b7c8b152f75840 Mon Sep 17 00:00:00 2001
From: kvadrik <41710943+kvadrik@users.noreply.github.com>
Date: Fri, 27 Feb 2026 17:48:46 +0200
Subject: [PATCH 2/4] compiler error fixed

---
 src/main/java/com/thealgorithms/maths/Volume.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/com/thealgorithms/maths/Volume.java b/src/main/java/com/thealgorithms/maths/Volume.java
index 6d6cb8f7a062..05157072585d 100644
--- a/src/main/java/com/thealgorithms/maths/Volume.java
+++ b/src/main/java/com/thealgorithms/maths/Volume.java
@@ -113,4 +113,5 @@ public static double volumeFrustumOfCone(double r1, double r2, double height) {
      */    
     public static double volumeFrustumOfPyramid(double upperBaseArea, double lowerBaseArea, double height) {
         return (upperBaseArea + lowerBaseArea + Math.sqrt(upperBaseArea * lowerBaseArea)) * height / 3;
+    }
 }

From af85908999bc0062cca087d310448ce7bfaef817 Mon Sep 17 00:00:00 2001
From: kvadrik <41710943+kvadrik@users.noreply.github.com>
Date: Fri, 27 Feb 2026 17:56:08 +0200
Subject: [PATCH 3/4] Added pyramid frustum test case

---
 src/test/java/com/thealgorithms/maths/VolumeTest.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/test/java/com/thealgorithms/maths/VolumeTest.java b/src/test/java/com/thealgorithms/maths/VolumeTest.java
index af882eef7563..cf72d7084e75 100644
--- a/src/test/java/com/thealgorithms/maths/VolumeTest.java
+++ b/src/test/java/com/thealgorithms/maths/VolumeTest.java
@@ -35,5 +35,8 @@ public void volume() {
 
         /* test frustum */
         assertEquals(359.188760060433, Volume.volumeFrustumOfCone(3, 5, 7));
+
+        /* test pyramid frustum */
+        assertEquals(140.0, Volume.volumeFrustumOfPyramid(6, 24, 10));
     }
 }

From 166dbe47c0090b97360b5357c712b1736155c78c Mon Sep 17 00:00:00 2001
From: kvadrik <41710943+kvadrik@users.noreply.github.com>
Date: Fri, 27 Feb 2026 18:01:39 +0200
Subject: [PATCH 4/4] extra space removed

---
 src/main/java/com/thealgorithms/maths/Volume.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/thealgorithms/maths/Volume.java b/src/main/java/com/thealgorithms/maths/Volume.java
index 05157072585d..89b0595912b9 100644
--- a/src/main/java/com/thealgorithms/maths/Volume.java
+++ b/src/main/java/com/thealgorithms/maths/Volume.java
@@ -110,7 +110,7 @@ public static double volumeFrustumOfCone(double r1, double r2, double height) {
      * @param lowerBaseArea area of the lower base
      * @param height height of the frustum
      * @return volume of the frustum
-     */    
+     */
     public static double volumeFrustumOfPyramid(double upperBaseArea, double lowerBaseArea, double height) {
         return (upperBaseArea + lowerBaseArea + Math.sqrt(upperBaseArea * lowerBaseArea)) * height / 3;
     }