maths - angle
2011-07-31 6:04 am
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ABCDEF is a regular six-sided polygon. AC and BF intersect at G. Find x,y,z
回答 (1)
2011-07-31 7:13 am
✔ 最佳答案
x = 180 * (6 - 2) / 6 = 120y = (180 - x)/2 = 30
z = 180 * (5 - 2) - 2(120 - y) - 2(120) = 540 - 180 - 240 = 120
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110730000051KK01272