find the unkowns in the following
請寫清楚ed(int,alt,corr)
http://i137.photobucket.com/albums/q209/ling8383/math2-1.jpg
幫幫手~~~~~~
2007-03-14 1:11 am
回答 (2)
2007-03-16 4:43 am
✔ 最佳答案
No.10 k = 41 alt angle AB//CD
m= 180 - 124
= 56
No. 11
Angle RST = 56 ( alt, PQ//ST)
Angle TRS = 180 -30-56
= 94
Therefore x = 180 -94
= 86
No 12
Angle CBY= 62 (corr, CB//ZY)
z= 180-62-75
= 43
y = 75 ( corr, AB//XY)
參考: 自己計..
收錄日期: 2021-04-12 19:36:22
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