Quantitative Aptitude • Height and Distance
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A vertical tower stands on a horizontal plane and is surmounted by a vertical flagstaff of height h. At a point on the plane, the angles of elevation of the bottom and top of the flagstaff are α and β respectively. What is the height of the tower?

A

h tan α/(tan β - tan α)

B

h tan β/(tan β - tan α)

C

h(tan β - tan α)/tan α

D

h tan α tan β/(tan β - tan α)

Question Details

Section: Quantitative Aptitude
Sub-section: Height and Distance
Category: quantitative

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