when produced,two equal chords ABand CD of a circle meet at an angle of 24.if H is the mid-point of AB and K is the mid-point of CD ,calculate the size of (角HKD).
(如果可以..畫個圖俾我)
一題maths
2007-11-11 7:48 pm
回答 (1)
2007-11-17 1:41 am
✔ 最佳答案
102 degreehint: construct line from centre O to H and K.
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https://hk.answers.yahoo.com/question/index?qid=20071111000051KK01285