Chapter 8: Q. 5 (page 516)
True or False In a right triangle, one of the angles is and the sum of the other two angles is.
The solution is true.
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Find an equation for the circle with center at the point and radius 3. Graph this circle.
Solve each triangle.
In the given problem solve the triangle using either the law of sines or law of cosines-
Given only the three sides of a triangle, there is insufficient information to solve the triangle .
Finding Distances A forest ranger is walking on a path inclined at 5° to the horizontal directly toward a 100-foottall fire observation tower. The angle of elevation from the
path to the top of the tower is 40°. How far is the ranger from the tower at this time?
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