A Quiz is Thursday  Covers the Law of Sines  It will contain some word problems, an area question, and the ambiguous case question.  We are going to practice getting the pictures for the word problems today, that way tomorrow will be the SECOND time you will have to draw them.  This power point is also available on the WIKI

Test PRACTICE: Question 1 The angle of elevation to a man on a telephone pole is 34 degrees from a spot on the ground 150 feet away from base of the pole. The angle of elevation to the top of the pole is 50 degrees. Find the distance from the man to the top of the pole.

Solutions Solution: around 77 (distance man to top of pole)

Find the area of the triangle

Solution Area

Find the area of the triangle If the three sides are 4, 7, and 5

Solution Area (use Heron’s or AREA SSS) 9.797

*TRICKY ONE! Find the height!

Solution Height = 6.907

Question 3 At a certain distance, the angle of elevation to the top of a building is 60º. From 40 feet further back, the angle of elevation is 45º. Find the height of the building.

Solutions question

Navigation

Navigation solution

How many solutions (0, 1, or 2) will the triangle have IF.... b 9 b = 2 ____ b = 3 ____ b = 4 ____ b = 9 _____ b = 13 ____

solutions Height is

Find the TWO solutions for angle A 5 9 A

Two solutions A = A = 180 – =