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This 180° blackboard protractor is an essential geometric tool, specifically designed for classroom demonstrations. Featuring a base length of 50cm, it is manufactured from highly durable plastic and includes a built-in handle for a secure, steady grip against vertical surfaces. It is the perfect choice for teachers, tutors, and schools looking for reliable, ergonomic teaching equipment with large, highly visible digits for accurate angle measurement.
Teaching geometry and measuring angles on a board requires tools that combine absolute precision, ease of use, and long-lasting durability. This specialized measuring instrument is designed to facilitate the educator's daily tasks, featuring large, highly visible digits that ensure a clear view for students, while its robust construction guarantees it will withstand the rigors of everyday classroom use.
Q: Is it safe for use on whiteboards?
A: Yes, the protractor's material and specially smoothed edges ensure it glides smoothly across the board without scratching or damaging sensitive whiteboard or chalkboard surfaces.
Q: Why is the built-in handle important for blackboard tools?
A: The handle allows the educator to apply even pressure to the center of the instrument. This is crucial for keeping the protractor perfectly stable while measuring or drawing an angle on a vertical surface like a classroom board.
| Tool Type | Protractor (180 Degrees) |
|---|---|
| Base Length / Size | 50cm |
| Material | Plastic (Shatterproof) |
| Scale Type | Degrees (0° - 180°) |
| Intended Use | Blackboard / Whiteboard (Classroom) |
| Special Feature | Built-in Grip Handle |
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