Ruler for teaching
The utility model relates to a ruler for teaching. The ruler for teaching comprises a left ruler and a right ruler which are connected through a shaft to form a rotatable structure; an angle ruler that is integrally connected with the right ruler through a hinge is arranged at a part in which the ri...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to a ruler for teaching. The ruler for teaching comprises a left ruler and a right ruler which are connected through a shaft to form a rotatable structure; an angle ruler that is integrally connected with the right ruler through a hinge is arranged at a part in which the right ruler is connected with the left ruler. With the adoption of the ruler for teaching, a simple straight line can be drawn, any angle as required can be drawn through the angle ruler, the operation is simple, the practicability is high, and the difficulty at drawing during teaching is reduced. |
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