From abe81c3cd2a639197c9fd13458a94bf1f3a07de4 Mon Sep 17 00:00:00 2001
From: Tatiana Mishchenko <123217546+sunntia@users.noreply.github.com>
Date: Fri, 30 Jan 2026 11:56:18 +0300
Subject: [PATCH] Update README.md

Added description of variables/letters in the formulas.
---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 828cb57..87ba619 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,12 @@
 # Math formulas
 ## Area
+S is the Area; π (pi) is a constant (approx 3.14159); R is the Radius; a is the length (or height), and b is the width (or breadth).
 - Circle: S = πR²
 - Rectangle: S = ab
 - Square: S = a²
 
 ## Perimeter
+P is Perimetr; π (pi) is a constant (approx 3.14159); R is the Radius;  is the length (or height), and b is the width (or breadth).
 - Circle: P = 2πR
 - Rectangle: P = 2a + 2b
 - Square: P = 4a