Types and Properties of Angles

Types and Properties of Angles Straight Angles Angles which measure exactly 180° (degrees) are straight angles. Therefore, straight angles are straight lines. Angles are represented by the sign ϴ, called theta. That is, for straight angles, ϴ= 180°. Right Angles Angles which measure exactly 90° are right angles, that is, ϴ = 90°. Obtuse Angles…

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