23 lines
494 B
Plaintext
23 lines
494 B
Plaintext
[修正报告]
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无调整。
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[坐标摘要]
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A: (0, 0)
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B: (4, 0)
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O: (2, 0)
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O_prime: (2, 1) // 初始位置，y坐标由滑块k控制
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[Geogebra指令]
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k = Slider(-5, 5, 1, 1, 150, false, true, false, false)
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A = (0, 0)
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B = (4, 0)
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s = Segment(A, B)
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O = Midpoint(s)
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O_prime = (2, k)
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c1 = Circle(O, A)
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c2 = Circle(O_prime, A)
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dist_O_prime_A = Distance(O_prime, A)
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dist_O_prime_B = Distance(O_prime, B)
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sum_dist = dist_O_prime_A + dist_O_prime_B
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len_AB = Distance(A, B)
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condition = sum_dist > len_AB |