In Figure-2, the angle of elevation of the top of
a tower AC from a point B on the ground is 60°.
If the height of the tower is 20 m, find the
distance of the point from the foot of the tower.
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In figure, the angle of elevation of the top of a tower AC from a point B on the ground is 60∘. If the height of the tower is 20m , find the distance of the point from the foot of the tower. Find the value of k for which the quadratic equation 3x2+kx+3=0 has real and equal roots.
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