By C. Oliver, A. Ledsham, R. Elvin

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**Example text**

50 If you are standing at point P shown on the map, the position of any other place on the map can be fixed by giving the following two distances. ·········'·········'··· · ' cttedow•ilion . Y .. L · •Kidderminstei · Morllmer • • Tenbury , · · ' · , . Wells ......... .. ·Stourport ' .. e · 40 • . · ...... Stanford 'on-Teme • a) the distance East of P b) the distance North of P On the above map, A is the point 2 km East of P and 7 km North of P. The position is usually given by the ordered pair (2, 7).

A) £4·13 + £8-47 + £2·52 b) £10·10 + £1·40 + £0·65 c) £6·62 + £3·50 + £5 6. a) £56·89- £13·65 b) £61·92 -£19·58 c) £59·11-£16·77 11. a) 46·97 and 36·45 b) 28·18 and 17·93 c) 14·02 and 3·77 12. a) 60·87 and 38·82 b) 44·5 and 19-48 c) 28·6 and 6·55 7. a) £43·20 -£18·68 b) £51·32- £25·90 c) £75·02 -£49·60 13. a) 22·63 and 7·49 b) 38·06 and 22·92 c) 42·91 and 28·76 14. a) 30·3 and 9·28 8. a) £31·70- £13·54 b) £34- £15·84 c) £30·08- £13·90 b) 23·02 and 2·9 c) 43·11 and 22·99 9. a) £19·85- £3·34 b) £18-47- £2·86 c) £19·30- £2·79 15.

A) Exercise 53 Find the size of the smaller angle between the hands of a clock when the clock is showing the following times . 1. 3 o'clock 3. 4 o'clock 5. 2 o'clock 7. 5 o'clock 2. 11 o'clock 4. 10 o'clock 6. 6 o'clock 8. 7 o'clock A quarter turn (90°) is called a right angle. An angle that is less than 90° is called an acute angle. An angle that is greater than 90° but less than 180° is called an obtuse angle. The pointer moves from 0 to 50. This is 350°0 of a complete turn. · an g1 e. This is an acute angle.