From a window A, 10 m above ground the angle of elevation of the top of the tower, is where tan = ⁵/₂ and the angle of depression of the foot D of tower is y degrees, where tan y = ¹/₄. Calculate height of tower CD in meters.

100 m

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55 m

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120 m

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115 m

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110 m

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Solution

The correct option is E
110 m

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Similar questions

From a window 10 m above the ground level the tangent of angle of elevation of the top of a tower is $\frac{5}{2}$ and tangent of depression of the foot of the lower is $\frac{1}{4}$ . Find the height of the lower.

Q. From the top of a

10 m

high building, the angle of elevation of a tower is

60^{\circ}

and the angle of depression of its foot at

45^{\circ}

. Determine the height of the tower.

Q. The angle of elevation of the top of a tower as observed from a point on the ground is α and on moving metres towards the tower, the angle of elevation is β. Prove that the height of the tower is

\frac{a \tan α \tan β}{(\tan β - \tan α)} .

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From a window A, 10 m above ground the angle of elevation of the top of the tower, is where tan = 5/2 and the angle of depression of the foot D of tower is y degrees, where tan y = 1/4. Calculate height of tower CD in meters.

The correct option is E 110 m

From a window A, 10 m above ground the angle of elevation of the top of the tower, is where tan = ⁵/₂ and the angle of depression of the foot D of tower is y degrees, where tan y = ¹/₄. Calculate height of tower CD in meters.

The correct option is E
110 m