JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

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Application +4 | -1

The angle of elevation of the top

C

of a vertical tower

C D

of height

h

from a point

A

in the horizontal plane is

45^{\circ}

and from a point

B

at a distance

a

from

A

on the line making an angle

30^{\circ}

with

A D

, it is

60^{\circ}

, then

View answer and explanation

Correct option: C

a=h(\sqrt{3}-1)

Option C (

a=h(\sqrt{3}-1)

) is correct because it is derived by using trigonometric relationships and the sine rule in the given geometric setup.

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