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Shan Castillo
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castillosh
Shan Castillo
hi gabe
New Resources
Circumference of a unit circle
Random Polar Curve (1)
Rule of Sarrus - Determinant of a 3×3 Matrix
Row and Column Views of Systems of Linear Equations
General Polar Equation of Conics with Rotation (1)
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Two sides
Obtuse Triangle
Conditions for parallel lines 平行線的判別條件
warm up (15 Jan 2021)
Relating Volumes of Pyramids and Prisms
Discover Topics
Sine
Expected Value
Square
Sphere
Real Numbers