Quiz 1 - Δ ABC is similar to Δ A ′ B ′ C ′[2 pt...

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MEM202 – Engineering Mechanics: Statics Quiz #1 September 27, 2007 Name: __________________________________ Date: ____________________ 1. Solve the following 3 equations for x, y, and z (by hand OR using your calculator) [3pts] x – y + z = -1 ; -x + y + z = -1 ; x + 2y - 2z = 5 Solution: x = 1, y = 1, z = -1 2. Solve the following quadratic for the two roots of x: [2pts] a) x 2 – 16 = 0 b) –x 2 + 5x = -6 Solution: a) x = 4, -4; b) x = -1, 6 3. Determine the length of side AB if
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Unformatted text preview: Δ ABC is similar to Δ A ′ B ′ C ′ . [2 pt] Solution: 5 4. In each case using the basic trigonometric functions, determine the length of side AB: [3 pts] Solution: a) 5 b) 7.07 5. Determine the angles φ and θ , and the side AB of the triangle: [4 pts] MEM202 – Engineering Mechanics: Statics Solution: φ = 48.6 ° , θ =91.4 ° , AB = 9.33 6. Using the law of sines and cosines, determine the length of the unknown side of each triangle. [3 pts] Solution:C = 88.3...
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This note was uploaded on 08/05/2008 for the course MEM 202 taught by Professor Cook during the Spring '08 term at Drexel.

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Quiz 1 - Δ ABC is similar to Δ A ′ B ′ C ′[2 pt...

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