Math Problem Statement

Jika sebuah titik B(−4,1) diputar 90 derajat berlawanan arah jarum jam terhadap titik asal (0, 0), koordinat titik yang baru adalah .

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Rotation Transformations
Coordinate Geometry

Formulas

(x', y') = (-y, x) for 90-degree counterclockwise rotation

Theorems

Rotation theorem for coordinate plane transformations

Suitable Grade Level

Grades 8-10