Mathematics - Geometry - Angles - Introduction to angles - Types of Angles

6 steps: (1) An ANGLE is formed when two rays share a common endpoint (vertex). (2) We measure angles in DEGREES (°). A full turn = 360°. (3) RIGHT angle = exactly 90° (looks like a corner). Symbol: small square. (4) ACUTE angle < 90° (sharp, pointy). (5) OBTUSE angle > 90° but < 180° (wide, open).

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Mathematics - Geometry - Angles - Introduction to angles - Types of Angles
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Mathematics - Geometry - Angles - Introduction to angles - Types of Angles

vivmagarwal
vivmagarwalJan 29, 2026

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6 steps: (1) An ANGLE is formed when two rays share a common endpoint (vertex). (2) We measure angles in DEGREES (°). A full turn = 360°. (3) RIGHT angle = exactly 90° (looks like a corner). Symbol: small square. (4) ACUTE angle < 90° (sharp, pointy). (5) OBTUSE angle > 90° but < 180° (wide, open).

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MathematicsGeometry - AnglesStage 4, Class 4, Class 4, PYP Grade 4, Grade 4

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