Obtuse angle – GeoGebra

Копія Angle Measure – GeoGebra

trigonometry

Obtuse angles and the unit circle. – GeoGebra

Why doesn't the sine rule work here? I keep getting 43.69°, when it should be an obtuse angle : r/askmath

Exploring Types of Angles – GeoGebra

Looking at the sine rule with obtuse angles – GeoGebra

Reflex, obtuse and acute animation – GeoGebra

SOLVED: Two flat mirrors are perpendicular to each other. An incoming beam of light makes an angle of 208 with the first mirror as shown in the following figure: What is is

Obtuse Angle – GeoGebra

Angles and Their Measurements – GeoGebra

Exploring Types of Angles – GeoGebra

GeoGebra Demonstration, Angles in Minor Segment is obtuse and in Major Segment is acute

Directed Angles and Their Types - Wolfram Demonstrations Project