Math Problem Statement

sebuah persegi panjang memiliki keliling 40 cm luas minimum dari persegi panjang tersebut terjadi pada

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Optimization
Derivatives

Formulas

Keliling persegi panjang: K = 2 × (p + l)
Luas persegi panjang: L = p × l
Turunan fungsi: dL/dp = 20 - 2p

Theorems

A rectangle with maximum area for a fixed perimeter is a square

Suitable Grade Level

Grades 8-10