This week the topic was trigonometry. We interviewed Stephanie Yardley, who’s a solar physicist. We talked about the research Stephanie does into activity on the surface of the sun, and how she uses trigonometry to analyse data from satellites and telescopes.
Puzzle: You want to calculate the height of a tall building. You set up a device for measuring angles, on a 1m high tripod, which is 200m away from the building. The angle above horizontal, when looking at the top edge of the building, is 15 degrees. What is the height of the building in metres?
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