Full text: De proef op de som voor den a.s. bouwkundig opzichter : bevattende 50 vraagstukken, etc. / ...

2. 721:1817:1260. 
3. 375,7633 cM2. 
4. y8. 
5. 44444,4 KG. 
6. 107,226 cM2. 
§7. 
1. — 
2. r = 4  R=10. R1 = 8  Ru = 24 
Rm = 12 M. 
3. Het vierkant is groot 167,005923 M2. De driehoeken: 71,573964 M2. 34,792899 M2. 62,627219 M2. 
4. Segment: 
Opp.: 18,84 dM2. Inh.: 8,38 dM3. Schijf: 
Opp.: 59,76 dM2. Inh.: 20,95 dM3. 
5. 0,5834 M3. 
6. Inh.:  19,4855625 dM3. 
Opp.: 53,581 dM2. 
1. 2. 3. 
4. 5. 6. 
§8. 
73,8 dM. 6,37 M. 0,097 M. 0,128 M. 
§ 9- 
1. a. 66,667 M. 
b. 115,47 M. 163,275 M. 
c. 58,333 M. 58,333 M. 33,333 M. 
d. 105 M. 
e. /¦ = 42,857 M. R = 109 M. 
§ 10. 
1. 20 en 15 cM. 
2. CD -=-- 28.923 cM. Opp. 766,16 cM2. 
3. 24:25. 
4. 1130,66 cM2. 
5. De loodlijn is: 19,054 cM. 
Opp. 5817,504 cM2, 
6. — 
§ 
10,64 dM2. 40,36 dM2. 132,03 cM2. 9,23 cM. 9,11 dM. ± 1080 dM3. 
§ 12. 
1. 672 cM3. 
2. de halve ribbe. 
1. 2. 3. 4. 5. 
Ie. 
6 en 4 dM. 10,2 en 6,8 dM. 8,99 dM. 2,5 M. 
§ 13. 
389,7 cM2. 180°. $ 
AB = 10 cM.     * AD = 15 cM. BC = 23,08 cM. CD    20,20 cM. Opp. 266,9 cM2. % 192 M. 546 M2. 
§ 14. 
5625:8624. 439,968 cM2. 1:3. 96 cM. 
Opp.: 964,8 dM2. Opstaande ribben: 40,4 dM. 41 en 41,95 dM. 
6. — 
§ 15. 
70,416 cM2. 5,45016 DM2. 1039,2 M2. 657,8145 cM2. 6,633 : 4,583.
	        
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