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# Indirect Measurement Project

Indirect Measurement Project. By: Marissa Hiles, Maddy Adams, Emily Dunning, and Rachel Radclyffe Period 2. Chapter 7 Strategy of Trigonometry. 1. Tan 25= 2. 41.6(tan25)=x 3. X=296.8 in. or 24.7 ft. x. 25˚. 41.6ft (499.2 in.). 45˚-45˚-90˚ Triangle Theorem.

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## Indirect Measurement Project

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2. Chapter 7 Strategy of Trigonometry 1. Tan 25= 2. 41.6(tan25)=x 3. X=296.8 in. or 24.7 ft x 25˚ 41.6ft (499.2 in.)

3. 45˚-45˚-90˚ Triangle Theorem 1. x= 26ft (312 in.) by 45-45-90 Theorem 2. Height= x+5’4” (64 in.) 3. Height=312+64 4. Height=376 in. or 31.3 ft x

4. Chapter 6 Strategy of Similarity 1. 2. 98x=33,945.6 3. x=346.4 in. or 28.9ft

5. Comparison • Chapter 7 Strategy of Trigonometry: height=24.7ft or 296.8 in. • 45˚-45˚-90˚ Triangle Theorem: height=31.3ft or 376 in. • Chapter 6 Strategy of Similarity: height=28.9ft or 346.6 in. • The 45˚-45˚-90˚ Triangle Theorem produced the most accurate results because it is a theorem that always works and gives exact answers as long as the triangle is a 45˚-45˚-90˚ triangle. • The preferred strategy was the 45˚-45˚-90˚ Triangle Theorem because it was easy to create the triangle and the math was simpler than the other strategies. • The Chapter 7 Strategy of Trigonometry is more adaptable because the triangle does not need to have certain elements besides having a right angle. • I would recommend to use the Chapter 7 Strategy of Trigonometry because it is more likely that you will only be able to collect data in the real world that can be easily put into the trigonometry strategy.

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