an observer standing on the top of a building 40m high view a stone on...
an observer standing on the top of a building 40m high view a stone on...
an observer standing on the top of a building 40m high view a stone on the ground level at an angle of depression of 30degree.the distance of the stone from the foot of the building is metres.is equal to?
Answers ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}