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Educational Tools : Who Invented the Protractor?
| Content Provider | WatchKnowLearn |
|---|---|
| Description | The protractor was invented in 1801 by Joseph Huddard, and this device is used to measure angles from zero to 180 degrees. Expert: Samir Malik. Samir Malik has tutored Austin, Texas-area high school to elementary school-level students in all subjects for the last three years. Filmmaker: Todd Green |
| Language | English |
| Access Restriction | Open |
| Rights License | Proprietary |
| Subject Keyword | Invention of Mathematics Tools k-12 homeschool homeschooling home school parents educational videos k12 preK-12 History of Math Mathematics |
| Content Type | Video |
| Educational Role | Student Teacher |
| Educational Use | Self Learning Lecture |
| Time Required | PT1M41S |
| Education Level | Class VIII Class XI Class IX Class XII Class VII Class X |
| Pedagogy | Lecture cum Demonstration |
| Resource Type | Video Lecture |
| Subject | Mathematics |