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anonymous

  • one year ago

Two walls of a canyon form the sides of a steady flowing river. From a point on the shorter wall, the angle of elevation to the top of the opposing wall is 20° and the angle of depression to the bottom of the opposing wall is 45°. From the same point, the diagonal distance to the bottom of the opposing wall is 230 feet. Using the appropriate right triangle solving strategies, solve for: 1. the height of the short wall (x) 2. the height of the tall wall (y) 3. the distance between the canyon walls (z)

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  1. Jacob902
    • one year ago
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    because of the 45º angle , the height of the short wall and the distance between the walls is the same 1. x = 230' / cos(45º) 2. y = x + [z * tan(20º)] 3. z = x

  2. anonymous
    • one year ago
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    i tried that it was wrong

  3. dumbcow
    • one year ago
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    is there any more info given? i dont see how it is possible to find height of shorter wall (x) because all info is relative to the fixed point on the shorter wall.

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