HKMO1314GCQ1

Author:: Shepherd

Topic:: Geometry

Figure 1 shows a

ABC . Construct a circle with centre O inside the triangle such that the three sides of the triangle are tangents to the circle. 圖一所示為一個

ABC 。試在該三角形內，構作一個圓心為 O 的圓，使三角形三條邊均為該圓的切線。

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