Question: 13. Define the following terms. (5 marks) a) Obtuse Angle b) Oblique Triangle c) Angle of Elevation d) Angle of Depression e) SOHCAHTOA14. What is

13. Define the following terms. (5 marks) a) Obtuse Angle b) Oblique Triangle c) Angle of Elevation d) Angle of Depression e) SOHCAHTOA14. What is the effect on the perimeter of a rectangle if the dimensions of the rectangle are doubled? What is the effect on the area if the dimensions are doubled? (3 marks) 15. List six possible sets of dimensions for a rectangular prism with a volume of 36 m3. (3 marks) 16. State sinB, cosB and ran B as ratios (fractions) for the following triangle. (3 marks) 17 8 C 15 17. The promotion manager of a new band is deciding how much to charge for concert tickets. She has calculated that if tickets are $28 each, then 220 people will come to the con- cert. For every $1 increase in price, however, 10 fewer people come. (11 marks) Complete the table to investigate the ticket price if the goal is to maximize the revenue. Ticket Price Number of People Total Money from Tickets (revenue) $27 230 $28 220 $28 x 220 = $6160 $29 Conclusion: The maximum revenue of $ occurs when the ticket price is $

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