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 = 120

y = (180 - x)/2 = 30

z = 180 * (5 - 2) - 2(120 - y) - 2(120) = 540 - 180 - 240 = 120

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