The degree measure of an angle is equal to the sum of the degree measures of the angles into which it is divided by any ray passing between its sides. VI. On any ray, from its initial point, a segment of spacebar clicker a given length can be laid down, and only one. VII. From a ray on the plane containing it, one and only one angle can be set aside in a given half-plane with a given degree less than , and in a given plane.
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ВідповістиВидалитиThe degree measure of an angle is equal to the sum of the degree measures of the angles into which it is divided by any ray passing between its sides. VI. On any ray, from its initial point, a segment of spacebar clicker a given length can be laid down, and only one. VII. From a ray on the plane containing it, one and only one angle can be set aside in a given half-plane with a given degree less than , and in a given plane.
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