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Maths HKCEE 2000 #16
發問:
16. In Figure 9, C is the centre of the circle PQS . OR and OP are tangent to the circle at S and P respectively. OCQ is a straight line and ∠QOP = 30° .(b) Suppose OPQR is a cyclic quadrilateral.(ii) A rectangular coordinate system is introduced in Figure 9 so that the coordinates of O and C are... 顯示更多 16. In Figure 9, C is the centre of the circle PQS . OR and OP are tangent to the circle at S and P respectively. OCQ is a straight line and ∠QOP = 30° . (b) Suppose OPQR is a cyclic quadrilateral. (ii) A rectangular coordinate system is introduced in Figure 9 so that the coordinates of O and C are (0, 0) and (6, 8) respectively. Find the equation of QR . 請問第Bii怎樣solve?thx 答案:3x+4y-75=0 圖形:http://upload.lsforum.net/users/public/q38889figure%209c238.jpg
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As follows: 圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/04-103.jpg
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