An acute angle is less than 90°. An obtuse angle is between 90° and 180°. A reflex angle is between 180° and 360°. These are all right angles as they are all a quarter turn (90°).
ADA: That’s right.How would you measure this reflex angle here? KAYLA ... Measurement and Geometry. Ada introduces Zach and Kayla to the concept of area, and different ways to measure and ...
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