Math Problem Statement

Diketahui jari-jari lingkaran adalah 14 cm. Jika panjang busur AB = 18 cm dan BC 30 cm, maka tentukan

  1. luas juring AOB

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Circle
Arc Length
Sector Area

Formulas

L_juring = (θ / 360°) × πr²
θ = (Arc Length / Circumference) × 360°
Circumference = 2πr

Theorems

Proportionality between arc length and central angle

Suitable Grade Level

Grades 9-10