Radians and Degrees Protractor

Author:senglish

Move the centre of the protractor to the vertex of the angle. Turn the protractor by moving the "Turn" point to measure the angle. To measure in radians select the "radians" button

New Resources

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Reflection = 180° Rotation about a Line
Reflection Across 2 Parallel Lines
Making New Year's resolutions for 2026
Triangle with 3 Right Angles

Discover Resources

Dilations
Perpendicular to a point on a line
Parameter Line with Theta
Arc angle, length and area
Ellipse with a string

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Special Points
Geometric Distribution
Cylinder
Multiplication
Scatter Plot