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| 1. | H = 8, d
= 10, h = 2 x2 (H - h) + x (-2dH) + (Hd2 + Hh2 - hH2) = 0 x2 6 + x -160 + 704 = 0 6x2 - 160x + 704 = 0 ABC-formule: x = (160 ±√(25600 - 16896))/12 = 21,11 meter (of 5,56 meter maar dat is vσσr de schutting) |
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| 2. | H = 97, h
= 8, d = 10000 x2 (H - h) + x (-2dH) + (Hd2 + Hh2 - hH2) = 0 x2 89 + x -1940000 + 9699930936 = 0 ABC-formule: x = (1940000 ±√(3,1 1011))/178 = 14028 meter (of 7768 maar dat is in de stad) |
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© h.hofstede (h.hofstede@hogeland.nl) |
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