The book The Elements of Geometry was written by author Webster Wells Here you can read free online of The Elements of Geometry book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Elements of Geometry a good or bad book?
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If one leg of a right triangle is double the other, the perpen- dicular from the vertex of the right angle to the hypotenuse divides it into segments which are to each other as 1 to 4. 23. If two parallels to the side BC of a triangle ABC meet the sides AB and AC in D and F, and E and , respectively, prove BD ^_ BF = DF CE CG EG' 24. C and D are the middle points of a chord AB and its sub- tended arc. If AD = 12 and CD = 8, what is the diameter of the circle ? 25. If AD and BE are the perpendic...ulars from the vertices A and B of the triangle ABC to the opposite sides, prove that AC:DC= BC'. EC: 26. If D is the middle point of the side BC of the triangle AB C, right-angled at C, prove that AB 2 AD 2 = 3 ~CD*. 27. The diameters of two concentric circles are 14 arid 50 units, respectively. Find the length of a chord of the greater circle which is tangent to the smaller. 28. The length of a tangent to a circle from a point 8 units dis- tant from the nearest point of the circumference, is 12 units.
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