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March 31, 2015

March 31, 2015

Posted by **anonymous** on Saturday, May 7, 2011 at 5:02pm.

sailboat moving parallel to the dock. When the boat is equidistant between

both girls, the angle of elevation to the top of its 8.0 m mast is for both

observers. Describe how you would calculate the angle, to the nearest degree,between Tara and the boat as viewed from Brit’s position. Justify your reasoning with calculations.

- trigonometry grade 11 -
**anonymous**, Saturday, May 7, 2011 at 5:09pmI THINK I DREW THE DIAGRAM BUT I'M NOT GETTING THE RIGHT ANSWER WHICH IS 47 DEGREES

- trigonometry grade 11 -
**Henry**, Sunday, May 8, 2011 at 2:33pmDraw a hor. line and label it ABC with

B being the mid-point of the line. Draw

a ver line to point B and label the top

of the ver line point D. Draw a line from A to D and from C to D. We have

formed 2 congruent rt triangles with a

common ver side.

AB = BC = 13.75/2 = 6.75m.

BD = 8m.

tanA = BD/AB = 8/6.75 = 1.1852,

A = 50 Deg. = Angle of elevation.

- trigonometry grade 11 -
**Anonymous**, Sunday, May 8, 2011 at 3:57pmi tried draw it your way and got 49 degrees. But i think we have to draw a 3

- trigonometry grade 11 -
**Anonymous**, Sunday, May 8, 2011 at 3:59pmi meant i think we have to draw a 3D image of the triangle

the way you told me, i tried to do it and got a two congruent trianlges makin a 90 degrees angle

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