Question on Trigonometry Angles ?
Alan observes a tree located 100 meters away at a bearing of 150° and at an elevation of 10°. Beta is situated at a bearing of 80° from Alan and a bearing of 33° from the tree, viewing the same tree at an elevation of 8°.
Please find the following: (a) the height of the tree, (b) the distance from Beta to the tree, and (c) the bearing Beta should use to reach the tree.
Please use a scale of 1:2000 and construct a scale diagram to accurately locate the positions of Alan, Beta, and the tree.
1 Answers
Alan sees a tree 100 m away on a bearing of 150°
& at an elevation of 10°.
Beta is on a bearing of 80° from Alan and 33° from
the tree & views the same tree at an elevation of 8°.
Find
(a)
the height of tree.
(b)
how far Beta is from the tree.
(c) the bearing that Beta will use to get to the tree
[use scale 1 : 2,000 construct a scale diagram
to locate the positions of Alan to Beta to the tree].
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