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

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Find the missing lengths. 9. 10. x 13 45 37 ◦ x 22 ◦ 11. A building cast a 21m long shadow. The angle on the ground from the end of the shadow to the top of the building is 38º. What is the height of the building? 12. A 5m ladder leans against a building. The ground and the bottom of the ladder form a 70º angle. How tall is the building? 13. A support cable for a radio tower is anchored 30 ft from the base of the tower. The ground and the cable form a 50º angle. How long is the cable?
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. • 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.
Page 1 and 2: A Trigonometric Path into the Land
Page 3 and 4: Embedded Assessment • The teacher
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Page 8 and 9: 14. Use the above steps to complete
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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 30 and 31: Worksheet #4: Practice Finding Miss
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Page 34 and 35: Worksheet #5: Trig Word Problems AN
Page 36 and 37: Worksheet #6 - Finding the Area of
Page 38 and 39: Worksheet #6 - Finding the Area of
Page 40 and 41: Worksheet #7 - Pentagon Practice Us
Page 42 and 43: 4. A regular pentagonal garden with
Page 46 and 47: Quiz - Trig Functions and Area of R
Page 48 and 49: Extended Constructed Response Direc

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

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