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  • Which statements about angle a are true?
    Angle a is half the size of a right angle.
    Angle a is 55° because 100° – 45° = 55°
    Angle a is the same size as the 45° angle.
    Angle a is obtuse.
    Angle a is 45° because 45° + 45° = 90°

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    Angle a is half the size of a right angle.
    Angle a is the same size as the 45° angle.
    Angle a is 45° because 45° + 45° = 90°