Math Problem Statement

Sebuah koin memiliki jari-jari 5,5 cm. Berapakah keliling lingkaran tersebut?

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Circles

Formulas

Keliling lingkaran: K = 2πr

Theorems

Pi (π) as the constant ratio of a circle's circumference to its diameter

Suitable Grade Level

Grades 6-8