مسائل وحلول

الهندسة بموقع gogeometry

حلول تمارين الهندسة الموجودة بموقع gogeometry

Problem 158
Relation between the Circumradius, Inradius and Exradii of a triangle
http://www.gogeometry.com/problem/p1...ii_exradii.htm

http://up.arabsgate.com/u/1524/3769/53135.gif

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Problem 161
Parallelogram, Midpoints, Octagon, Areas
http://www.gogeometry.com/problem/p1...tagon_area.htm

http://up.arabsgate.com/u/1524/3879/53749.gif

http://up.arabsgate.com/u/1524/3879/53747.jpg


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Problem 215.
Quadrilateral, Angle Bisectors, and Cyclic Quadrilateral


http://up.arabsgate.com/u/1524/4052/58030.gif

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Problem 43. Angles, Triangle. Level: High School, SAT Prep, College
In the figure, AB = BC = CD, and the measure of angle C is double the measure of angle A. Prove that x = 60°.

http://up.arabsgate.com/u/1524/3329/43242.jpg

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Problem 40. Triangle, Incenter, Excenter. Level: High School, SAT Prep, College
In triangle ABC, the angles A and B measure 80 and 40 respectively, I is the incenter and E the excenter. AB and CE meet at D. If BC = a, AC = b and CI = d, prove that ..

http://up.arabsgate.com/u/1524/3329/43239.jpg

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تمرين رقم (229)


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تمرين رقم (230)


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تمرين رقم ( 231 )

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