Questions 3, 7, and 11. Pages 110 - 111
3. Walter walks across a rectangular field in a diagonal line. Maria walks around two sides of the field. They meet at the opposite corner.
7. What is the height of the wheelchair ramp? Give your answer to the nearest tenth of a centimetre.
The answer is 12.6
11. Johan has a 300cm ladder that he leans up against a wall. The safety sticker on the side of the ladder shows that the bottom must be placed between 70 cm and 110 cm away from the wall. What are the minimum distance and maximum distance up the wall that the ladder can reach? Give your answers to the nearest tenth of a centimetre.
The answer is 291.7 cm.
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