Solve this: Q 61 From the top of a 10 m high building, the angle of depression of the - Maths - Some Applications of Trigonometry

Question

Solve this:
Q 61 From the top of a 10 m high building, the angle of depression
of the foot of a tower is 30 ° and the angle of elevation of
top of the tower from the foot of the building is 60 ° Find the
distance between the tops of the building and the tower
[Use 7 = 2 64]

Brijendra Pal · Accepted Answer

Hi,

<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5ab92e2ba13bd%20png"
style="width: 302px; height: 285px;">
Here BC = AE and in right triangle ABC, tan30 = 10BCBC = 103so AE = 103Now in right triangle DAEcos60 = AEADAD =  10312= 203 m

Solve this: Q.61. From the top of a 10 m high building, the angle of depression of the foot of a tower is 30 ° and the angle of elevation of top of the tower from the foot of the building is 60 ° . Find the distance between the tops of the building and the tower. [Use 7 = 2.64]

Solve this:
Q.61. From the top of a 10 m high building, the angle of depression of the foot of a tower is 30 $°$ and the angle of elevation of top of the tower from the foot of the building is 60 $°$ . Find the distance between the tops of the building and the tower.
[Use $\sqrt{7}$ = 2.64]