A school geometry. containing the substance of Euclid books II anfd III and part of book IV (1917)
Hall, H. S. (Henry Sinclair), 1848-1934, Stevens, F. H. (Frederick Haller), 1852-1933 · London : Macmillan · leaf 97
Prove the following equalities: (i) AE =AF =s-a,BD =BF =s-6,CD =CE =s-c. (ii) AEi=AFi=s. (iii) CDi = CEi = s-6,BDi = BFi=s-c. (iv) CD =BDi, and BD = CDj. (V) EEj = FFj = a. (vi) The area of the A ABC = ra = r^{s-a). (vii) Draw the above figure in the case when C is a right angle, andprove that r =… … Proa t}>A foV.oxrAv/] prop:rf.ic-^.; (\] Th^yA-oM A, \, 1; otr^ colin^ar: no o.r<, B, I, 1.^; a/W C, I, I3. (iij Th^poinU \^, k, i^ or/e co//<>>Aar : ho art U, B, I, ; o.o.d \.., C, Ij. fiii; T}<A tHawjl::-. Bl C; CI_A; A! ,B ar^ (:qu{awpjlo.r to onf. anoth^^r. (iv) TA« triangle,…
Geometry
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