ASSIGNMENT QUESTIONS

Engineering Aid 3 - Beginning Structural engineering guide book
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1-42. What is the tangent of angle C? 1. 0.60000 2. 0.75000 3. 0.80000 4. 1.44444 Figure 1D IN ANSWERING QUESTIONS 1-43 THROUGH 1-45, REFER TO FIGURE ID. SELECT THE TRIGONOMETRIC FUNCTION FROM THE FOLLOWING LIST THAT SHOULD BE USED FOR THE SITUATION DESCRIBED. 1-43. Determining the size of angle A if the lengths of sides a and b are known. 1. A 2. B 3. C 4. D 1-44. Determining the size of angle C if the lengths of sides a and b are known. 1. A 2. B 3. C 4. D 1-45. Determining the size of angle C if the lengths of sides b and c are known. 1. A 2. B 3. C 4. D 1-46. Which function of the ground-slope angle is the ratio of the horizontal distance to the slope distance? 1. Sine 2. Cosine 3. Tangent 4. Versed sine Figure 1E IN ANSWERING QUESTIONS 1-47 AND 1-48, REFER TO FIGURE lE. 1-47. How many square feet are contained in rectangle ABCD? 1. 12.00 2. 15.00 3. 37.50 4. 53.08 1-48. How many square feet are contained within the circle? 1. 9.62 2. 10.20 3. 19.25 4. 118.00 5

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