An aeroplane flying horizontally at a height of 1.5km above the ground is observed at a certain points on earth to subtend an angle of 60. After 15 sec, its angle of elevation at the same point is observed to be 30. Calculate the speed of the plane in km/hr.
Answers
Answered by
22
See the attached file for solution. Thanks
Attachments:
Answered by
5
Answer: 415.68
Step-by-step explanation: Refer image
Attachments:
Similar questions