A roller coaster moves 200 ft. horizontally, then rises 135 ft. at an angle of 30 degrees above the horizontal. It then travels 135 ft. at an angle of 40 degrees below horizontal. What is its displacement from its starting point at the end of this movement? Use graphical techniques and also find the magnitude and direction?

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kkutie7 · Answer

Is this a good place to start? I don't think I got the drawing correct either.|dw:1409103124390:dw|