These questions are for revision of Year 10 and 11 Trigonometry.
(Give all answers correct to 3 significant figures)
1. Find the lengths of the sides and angles marked by letters:
a.
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b. |
c.
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d. |
e. |
f.
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g. |
h. |
i.
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j. |
k. .
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l.
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2. A ladder 17 m long is placed 6 m from the base of a wall. How far up the wall will the ladder reach? 3. A rectangular paddock has a diagonal 250 m long. 4. A girl stands in one corner of a rectangular hockey field that is 110 m long and 65 m wide. |
5. A man runs 100 m in a straight line up a hill that is inclined at an angle of 13°. 6. A vertical television mast is 150 m high and is held up by wires attached to the top of the mast and to the flat ground. The wires are 200 m long. 7. A power pole is 15 m high. It is held by wires that are connected to the top of the pole and meet the ground 9.5 m from the base of the power pole. How long are the wires and what angle do they make with the ground? |