Home
Class 8
MATHS
From a point on the ground the angles of...

From a point on the ground the angles of elevation of the bottom and top of transmission tower fixed at the top of 20 m high building are `45^(@) and 60^(@)` respectively. Find the height of the tower ?

A

43.3 m

B

57.66 m

C

86.6 m

D

100 m

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SOME APPLICATIONS OF TRIGONOMETRY

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet - 33 |10 Videos
  • SOME APPLICATIONS OF TRIGONOMETRY

    S CHAND IIT JEE FOUNDATION|Exercise Unit Test - 6 |20 Videos
  • SOME APPLICATIONS OF TRIGONOMETRY

    S CHAND IIT JEE FOUNDATION|Exercise Unit Test - 6 |20 Videos
  • SIMULTANEOUS LINEAR EQUATIONS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET|10 Videos
  • SQUARE ROOTS AND CUBE ROOTS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET-4|10 Videos

Similar Questions

Explore conceptually related problems

From a point on the ground the angles of elevation of the bottom and top of a transmission tower fixed at the top of 20m high building are 450 and 60 respectively. Find the height of the transmission tower.

From a point on the ground,the angles of elevation of the bottom and the top of a transmission tower fixed at the top of a 20m high building are and and respectively.Find the height of the tower.

The angles of the depression of the top and bottom of the tower is seen from the top of a 60sqrt(3) cliff are 45^(alpha) and 60^(alpha) respectively.Find the height of the tower.

A 7 m long flagstaff is fixed on the top of a tower on the horizontal plane. From a point on the ground, the angles of elevation of the top and bottom of the flagstaff are 45^(@)" and " 30^(@) respectively. Find the height of the tower.

The angle of depression of the top and the bottom of a 7 m tall building from the top of a tower ar 45^(@) and 60^(@) respectively. Find the height of the tower in metres.

The angles of depression of the top and bottom of a 50 m high buiding from the top of a tower are 45^(@) and 60^(@) respectively . Find the height of the tower.

The two palm trees are of equal heights and are standing opposite each other on either side of the river, which is 80 m wide. From a point O between them on the river the angles of elevation of the top of the trees are 60^(@) and 30^(@) , respectively. Find the height of the trees and the distances of the point O from the trees. OR The angles of depression of the top and bottom of a building 50 meters high as observed from the top of a tower are 30^(@) and 60^(@) respectively. Find the height of the tower, and also the horizontal distance between the building and the tower.