INTERNAL TANGENT Versión en línea To construct an internal tangent to two equal circles. 1. O and C are center 25 mm of radius = 25 mm. 2. OC = 80 mm 3. Bisect OC at A. 4. Bisect OA at B. 5. With B as centre draw a semicircle on OA. 6. T is the point where the semicircle crosses circle O. 7. Join TA and produce to T1. 8. Then TAT1, is the required tangent. por DEBORAH DEVEAUX 1 Internal Tangent 2 Internal Tangent
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