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1. |
Find the angle subtended at the origin by the line segment whose end points are (0,100) and (10, 0). |
Answer» Since the abscissa of first coordinate is zero, therefore this point lies on y - axis. Ordinate of second point is zero, therefore this point lies on y-axis. We know that both the axes are perpendicular to each other, therefore the angle between these points is 90°. |
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