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Worksheet 7

# Worksheet 7 - Name Worksheet 7 Due Wednesday Show all...

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Name: Worksheet 7 Due Wednesday April 13, 2011 Show all computations. Write neatly. Staple your work. 1. Convert to degrees, minutes, seconds. (a) 0 . 08 0 . 08 = (b) 149 . 83 149 . 83 = 2. (a) A tree is 800 meters away and has angular size 0 . 05 . How tall is the tree? Be sure to include the appropriate units. tree height

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2 (b) A quarter has a diameter of 1 inch. What is the angular size of a quarter if the quarter is viewed from 6 inches away? Include the appropriate units in your answer. angular size of quarter 3. State the Pythagorean theorem. Be sure to explain the meaning of all symbols you introduce.
3 4. Consider the following figure. 10 in 30 in 20 in d h (a) Use similar triangles to find h . h = (b) Find d . d = 5. Use the Pythagorean theorem to find the distance between the points (4 , - 1) and ( - 2 , 1) [ Hint: its probably easiest to plot the points first ]. distance

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4 6. Consider a rectangular prism with side lengths 1, 5 and 4 as in the figure below. Find the distance from A to B .
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