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The altitudes of a parallelogram ABCD where AD=a, AB=b, and angle BAD=θ | |
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The altitudes of parallelogram ABCD where vertex A has coordinates (x[0],y[0]), vertex B has coordinates (x[1],y[1]), and vertex C has coordinates (x[... | |
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The altitudes of a parallelogram ABCD where the equations of lines AB, BC, CD, and DA are known | |
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