Exercises on Euclid and in modern geometry for the use of schools, private students, and junior university students (1881)
McDowell, James L · Cambridge, Deighton, Bell, and Co. · leaf 62
s will also circumscribe the other. Let the triangles ABC and DBC have equal vertical anglesBAG and BDC, and, if possible, let the circlecircumscribing the triangle ABC not passthrough D, but cut BD or BD produced in E.Join CE. Because the angles BAC and BECare in the same segment, thev are… … 3* EXERCISES ON EUCLID [52.
Geometry
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