(Give all answers correct to 2 significant figures)
1. Find the lengths of the sides marked by letters:
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 |
 |
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(b) |
(e)
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(c) |
(f)
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2. State whether the following triangles are right-angled:
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(a) |
(b) |
(c) |
3. A ladder 20 m long is placed 5 m from the base of a wall. Sketch a diagram to show this.
How far up the wall will the ladder reach?
4. A power pole is 25 m high. It is held by wires that are connected to the top of the pole and are anchored to the ground 10 m from its base. How long are the wires?
5. A girl stands in one corner of a rectangular paddock that is 100 m long and 60 m wide. She runs diagonally across the paddock to the opposite corner. How far does she run?
