14a Intuitive Approach to Geometry - Mathematics(HKCEE M.C 15 Intuitive Approach to Geometry(2002Q42 Triangle Inequality How many different triangles

14a Intuitive Approach to Geometry - Mathematics(HKCEE M.C...

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Mathematics Mathematics (HKCEE (HKCEE M.C.) M.C.) 15 Intuitive Approach to Geometry (2002Q42) Triangle Inequality How many different triangles can be constructed so that the lengths of the three sides are x cm, 2 x cm and 12 cm, where x is an integer? A. 5 B. 7 C. 9 D. 11 (2003Q48) 3D Problems The figure shows a cuboid. Which of the following are right angles? I. CAF II. DHG III. AGC A. I and II only B. I and III only C. II and III only D. I, II and III (2006Q24) 3D Problems The figure shows a right prism ABCDEF with a right-angled triangle as the cross section. The angle between BD and the plane CDEF is A. BDE . B. BDF . C. DBE . D. DBF . Mathematics / HKCEE M.C. / 15 Intuitive Approach to Geometry / P.1 A D C B F E H G A C B E D F
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(2006Q25) Transformation If the plane figure above is rotated anticlockwise about the point O through 90 , which of the following is its image? A. B. C. D. (2006Q49) Four Centers of Triangle In the figure, ABC is an acute-angled triangle, AB = AC and D is a point lying on BC such that AD
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