From 00a5025aab2dd1af6cc5307af6e90aa345fd323d Mon Sep 17 00:00:00 2001
From: "exercism-solutions-syncer[bot]"
 <211797793+exercism-solutions-syncer[bot]@users.noreply.github.com>
Date: Mon, 23 Mar 2026 11:00:17 +0000
Subject: [PATCH] [Sync Iteration] 8th/triangle/2

---
 solutions/8th/triangle/2/triangle.8th | 36 +++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 solutions/8th/triangle/2/triangle.8th

diff --git a/solutions/8th/triangle/2/triangle.8th b/solutions/8th/triangle/2/triangle.8th
new file mode 100644
index 0000000..16832d5
--- /dev/null
+++ b/solutions/8th/triangle/2/triangle.8th
@@ -0,0 +1,36 @@
+: istriangle? \ n n n -- T
+3dup
+3dup n:- n:abs swap n:< -3 roll
+rot 3dup n:- n:abs swap n:< -3 roll
+rot n:- n:abs swap n:<
+and and
+;
+
+: equilateral? \ n n n -- T
+istriangle? not if 3drop false
+else
+  2dup n:= -3 roll
+  rot n:=
+  drop and
+then
+;
+
+: scalene? \ n n n -- T
+istriangle? not if 3drop false
+else
+  2dup n:= not -3 roll
+  rot 2dup n:= not -3 roll
+  rot 2dup n:= not -3 roll
+  3drop and and
+then
+;
+
+: isosceles? \ n n n -- T
+istriangle? not if 3drop false
+else
+  2dup n:= -3 roll
+  rot 2dup n:= -3 roll
+  rot 2dup n:= -3 roll
+  3drop xor xor
+then
+;