Math Problem Statement

Jika sebuah lingkaran memiliki luas 154 cm², berapakah keliling lingkaran tersebut? (π = 22/ 7)

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Circle Properties
Algebra

Formulas

Luas lingkaran: L = π × r^2
Keliling lingkaran: K = 2 × π × r

Theorems

Circle area theorem
Circumference of a circle formula

Suitable Grade Level

Grades 7-9