![Vincent,Aldo and Michele <br />Measuring the Height of Library Building<br />Aim: Measure the height of library building<br />Materials: 1-meter ruler,Protractor and pencil <br />Procedure:<br />,[object Object]](https://image.slidesharecdn.com/measuringtheheightoflibrarybuilding-110323074503-phpapp02/85/Measuring-the-height-of-library-building-1-320.jpg)
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Measuring the height of library building
- 2. Measure the angle of the library building
- 3. Measure the angle using the protractor
- 4. The angle is alpha
- 5. Take the data for 4 times
- 6. Measure the averageThe angle of elevation (alpha)<br />15 MLibrary building <br />100 cm<br />AlphaTangent Tan(a)=(x/11)+1702.74X=(15x2.74)+142.1723.07X=(15x3.07)+147.05733.27X=(15x3.27)+150.05753.73X=(15x3.73)+156.9572.53.249.03<br />