# pre calc

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• ﻿
• Hi Alyssa, I'm going to the Eiffel Tower today. Would you like to join?  ﻿
• Sure, I'll come but wait! Do you know the height of it in feet is?
• ﻿
• ﻿Well students, if you would like to figure out how tall the Eiffel tower is you would have to use trigonometry
• Gee thanks!﻿
• He's right! Let's start solving this now﻿
• ﻿
• Lets think of it as the right triangle where the side is the tower height and you are standing
• okay, what next?﻿
• Click to Edit Title
• Imagine a person standing 531 ft away from the tower. He looks up at an angle of 63.46 degrees to the tip.﻿
• hm okay﻿
• Click to Edit Title
• To solve this, you would use SOHCAHTOA by doing tan63.46 x 531 to get the height﻿
• ﻿what did you get for height?
• Click to Edit Title
• The height is 1063 ft from the ground to the very tip.﻿
• ﻿I got the same answer with my calculator!
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