Trigonometry Worksheets

4 how far away from the pylon is he standing 7 a

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Unformatted text preview: oot. What angle do these wires make with the gound? 9. A surveyor takes a sighting of the top of a hill which she knows, from the map, is 460 metres away from her position. From there, the angle of elevation of the top of the hill is 31.4º. What is the height of the hill? 10. From the top of lighthouse which is 50 metres above sea-level, the angle of depression of a boat is observed to be 17.5º. How far is the boat from the lighthouse? 11. A ladder leaning against a wall, reaches to a height of 12 metres when it is at an angle of 67.5 degrees to the ground. How far is the foot of the ladder away from the wall? 12. The diagonal of an oblong makes an angle of 53.8º with the shorter edge, which is 18.3 centimetres long. What is the length of the longer edge? 13. An oblong has edges of length 6.78 cm and 4.35. Find the size of the smallest angle formed where its two diagonals cross. © Frank Tapson 2004 [trolPT:15] 14. A man estimates that the angle of elevation of the top of a tree is 38 degrees. He then take...
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This document was uploaded on 03/01/2014.

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