Math Problem Statement

Sebuah lingkaran berpusat dititik O, besar sudut AOB adalah 160° dan luas juring AOB = 1.256 cm³, maka panjang busur AB adalah

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Circle Sector
Arc Length
Area of Sector

Formulas

Luas juring = (θ / 360°) × πr²
Panjang busur = (θ / 360°) × 2πr

Theorems

Sector Area Formula
Arc Length Formula

Suitable Grade Level

Grades 9-10