压倒
发表于 2025-3-28 17:08:50
http://reply.papertrans.cn/39/3810/380979/380979_41.png
morale
发表于 2025-3-28 22:47:47
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Sad570
发表于 2025-3-29 00:10:50
http://reply.papertrans.cn/39/3810/380979/380979_43.png
过剩
发表于 2025-3-29 05:18:50
http://reply.papertrans.cn/39/3810/380979/380979_44.png
壕沟
发表于 2025-3-29 08:40:20
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debris
发表于 2025-3-29 15:25:49
Derivation of Sines of the north-south line will be the common sides of the triangles. Thus there will be two triangles on each side of the north-south line. Construct in this manner four equilateral triangles of sides equal to the radius. Here, construe that in each triangle, one side lies flat on the bottom which is called . (ground, base).
–FER
发表于 2025-3-29 16:01:28
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Glossy
发表于 2025-3-29 20:26:54
http://reply.papertrans.cn/39/3810/380979/380979_48.png
山崩
发表于 2025-3-30 00:36:37
http://reply.papertrans.cn/39/3810/380979/380979_49.png
Diaphragm
发表于 2025-3-30 05:46:14
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