Math Problem Statement

Apabila diiketahui sudut pusat lingkaran sebesar 70° dan panjang jari- jarinya 21 cm, maka berapakah panjang busur lingkaran tersebut?

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Circle
Arc Length

Formulas

Arc Length = (θ / 360°) × 2πr

Theorems

Central Angle Theorem

Suitable Grade Level

Grades 8-10