A Trigonometric Path into the Land of Regular Pentagons - National ...

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Extended Constructed Response Directions: For problem 14, show all work in the space provided. Your work and answers will be scored on standard 4-point rubric. 14. The Maryland World Trade Center located at the Inner Harbor in Baltimore City boasts about being the world’s tallest regular pentagonal building. Each side is 92 yards long. • Find the area of the roof. (Assume the roof is flat). Use mathematics to explain the process you used to determine your answer. Use words, symbols, or both in your explanation. Apothem o x tan 54 = 46 x 1.38 = 46 (1.38)(46) = x x = 63.5 Perimeter = (92)(5) Perimeter = 460yd 1 A= ap 2 1 A = (63.5)(460) 2 2 A = 14605 yd 54° 46 yd • To be more energy efficient, the engineers want to install solar panels to cover the entire roof. How much would it cost to install the panels if the price is $18 per square yard? Use mathematics to explain the process you used to determine your answer. Use words, symbols, or both in your explanation. Total Price = (Area)(Price per yd 2 ) Total Price = (14605)($18) Total Price = $262,890
• Find the m
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Page 3 and 4: Embedded Assessment • The teacher
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Page 14 and 15: Worksheet #2 - Extra Practice ANSWE
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Page 18 and 19: Extension Worksheet: Finding the Mi
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Page 22 and 23: Example 2: Find x 16 x 81 ◦ Steps
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Page 26 and 27: Example 2: Find x 16 x 81 ◦ Steps
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Page 34 and 35: Worksheet #5: Trig Word Problems AN
Page 36 and 37: Worksheet #6 - Finding the Area of
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Page 40 and 41: Worksheet #7 - Pentagon Practice Us
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