Gore, James Howard, 1856-1939 · New York, Longmans, Green, and co. · leaf 89
Let 0 be the centre of the given circle, and A the givenpoint without the circumference. To draw through A a tangent to the circumference. It is known (from 150) that a radius and tangent drawn toits extremity are perpendicular to each other. It is also known (from 177) that a diameter subtends a…
Geometry
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