Star Trigonometry




           view this picture on flickr.com to
           learn a whole lot more about trig
http://fli...
(1) You just bought 40 L of gas.                                              93
                                         ...
A scale drawing of a family room has dimensions of 4.5 cm by 3.25 cm. In the
scale drawing, 1 cm represents 3 m. What are ...
SOH CAH TOA
                HYPOTENUSE
ADJACENT
OPPOSITE




           OPPOSITE
           ADJACENT


 THETA θ
SOH CAH TOA
SOH CAH TOA
Find the missing sides of the following triangles using equivalent ratios.
Represent a circular window with a diameter of 50 cm. Use a scale of 1:10.
An apartment building is 150 m tall. If the height of the building in the scale
drawing is 25 cm, what scale is used in th...
Consumer Math Slides January 15, 2008
Consumer Math Slides January 15, 2008
Consumer Math Slides January 15, 2008
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Consumer Math Slides January 15, 2008

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Introduction to trigonometry.

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Consumer Math Slides January 15, 2008

  1. 1. Star Trigonometry view this picture on flickr.com to learn a whole lot more about trig http://flickr.com/photos/69836785@N00/355386913/
  2. 2. (1) You just bought 40 L of gas. 93 (6) Find 75% of 124 If you get a discount of 3.5¢/L, $1.40 how much money will you save? (7) Find 75% of 110 82.5 (2) What is the cost of one $20.50 CD if 4 cost $82.00? B C D A 1 Name Hourly Wage Hours Earnings (3) What is the cost of one if 2 2 Abbie 7 4 $17.50 T-shirts cost $35.00? 3 Barry 8 5 4 Cindy 9 6 The following ingredients are used to make 5 David 10 7 18 banana muffins: (8) Name one LABEL Name, Hourly 6 small, ripe bananas 1 cup brown sugar Wage, Hours, in the spreadsheet. 1/2 cup white sugar 2 eggs or Earnings 1/2 cup butter 3 cups flour (9) Write a spreadsheet formula 2 tsp. baking soda 2 tsp. baking powder that would calculate the average 1 cup chocolate chips 1 tsp. salt earnings of all 4 people. (4) How much white sugar (5) How much butter is =AVERAGE(D2..D5) is used to make 9 muffins? needed to make 45 muffins? 1 1/4 cups 1/4 cup (10) What is 99 x 11? 1089
  3. 3. A scale drawing of a family room has dimensions of 4.5 cm by 3.25 cm. In the scale drawing, 1 cm represents 3 m. What are the dimensions of the actual family room? An apartment building is 150 m tall. If the height of the building in the scale drawing is 25 cm, what scale is used in the drawing?
  4. 4. SOH CAH TOA HYPOTENUSE ADJACENT OPPOSITE OPPOSITE ADJACENT THETA θ
  5. 5. SOH CAH TOA
  6. 6. SOH CAH TOA
  7. 7. Find the missing sides of the following triangles using equivalent ratios.
  8. 8. Represent a circular window with a diameter of 50 cm. Use a scale of 1:10.
  9. 9. An apartment building is 150 m tall. If the height of the building in the scale drawing is 25 cm, what scale is used in the drawing?

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