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