2. When the point a is without the circle. From o draw o a, and bisect it in f. FromF, with F A as a radius, describe the semicircleADO, cutting the given circle in d. Thenthrough the points a and d draw A D b, and itwill be the tangent required. … T> 1 2 problem X. To draw a tangent to a given circle, passingthrough a given point a. 1. When the point a is in the circumferenceof the circle. From the centre o draw the radius o a.Then through the point a draw c d perpen-dicular to o a, and it will be the tangentrequired. c ^4^ ^
Design · Decoration and ornament · Art
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