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Class 6 · Ganita Prakash · Unit 2: Lines and Angles

Types of Angles

Lesson 3 of 4
Acute: less than a right angle. Right: exactly 90°, formed by perpendicular lines. Obtuse: 90°-180°. Straight: 180°. Reflex: 180°-360°.
Gyaan Maths — CBSE Class 6-12, built for board-toppers.
v1.1 · Sept 2026