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 115
A, and capable ofcontaining an angle equal to the supplement of the difference be-tween the given difference of base angles and twice the angle ADC. Join AB, AC. Then BAC is the required triangle. 124. Draiv a common tangent to two given circles. Let 0 and 0 be the centres of the given circles. On… … Fig. i. OC (produced, if necessary) meet the circle in A. Draw OBparallel to OA, and join AB, OC. Then AB is a tangent to bothcircles. For AC and OB are clearly equal and they are parallel
Geometry
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
