Math Problem Statement

Määritä ympyräsektorin kulma, kun sektorin ala on 147 ja halkaisija on 23.4?

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Circle Sector
Area of a Sector
Central Angle

Formulas

Area of a sector: A = (θ/360) * π * r^2
Radius from diameter: r = d / 2

Theorems

Proportional relationship between angle and area in a sector

Suitable Grade Level

Grades 9-10