Ambitioussj3250 Ambitioussj3250 23-01-2024 Mathematics contestada If O is the center of a circle of radius 8 cm, the tangent at a point A on the circle cuts a line through O at B, such that AB = 15 cm. Find OB. (a) 9 cm (b) 12 cm (c) 15 cm (d) 18 cm