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# Andy's Presentation - Basic Trigonometry Ratios Andrew...

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CTAP 310 Teaching with Technology FINAL PRESENTATION Andrew McCandless Basic Trigonometry Ratios Basic Trigonometry Ratios Brawley Union High School, Brawley

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CTAP 310 Teaching with Technology FINAL PRESENTATION MaryAnn Archer, Brawley Union High School Using Trig to Solve Rt. Triangles Using Trig to Solve Rt. Triangles
CTAP 310 Teaching with Technology FINAL PRESENTATION MaryAnn Archer, Brawley Union High School 38 10 Focus Problem: Solving Using Proportions How Tall is the Tree? The Shadow Knows! At four in the afternoon a man who is 6 feet tall casts a shadow ten feet in 6 length. If the tree casts a shadow of 38 feet, how tall is the tree? Use a proportion to solve this problem. (Question: could you solve this problem without using any shadows, or measuring the tree’s height?)

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CTAP 310 Teaching with Technology FINAL PRESENTATION MaryAnn Archer, Brawley Union High School But how do you find the height of a building using only Right Triangles?
CTAP 310 Teaching with Technology FINAL PRESENTATION MaryAnn Archer, Brawley Union High School THE LESSON: Duration: 2 to 3 class periods Main Contents: 3 worksheets and Pre/Post Test Interactive Tutorial: Math Advantage 2000 Internet Searching for additional Trig information Charting Data using Clinometer to find elevation Presenting Lesson on Microsoft PowerPoint

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Teaching with Technology FINAL PRESENTATION MaryAnn Archer, Brawley Union High School 19.0 Students use trigonometric functions to solve for an unknown length of a side of a right triangle, given an angle and a length of a side. California State Standards -
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## This note was uploaded on 01/12/2011 for the course MAT117 MAT 117 taught by Professor Ranjitrebello during the Spring '09 term at University of Phoenix.

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Andy's Presentation - Basic Trigonometry Ratios Andrew...

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