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INTERNAL TANGENT

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INTERNAL TANGENT

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About this activity

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.

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DEBORAH DEVEAUX
DEBORAH DEVEAUX
Bahamas

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INTERNAL TANGENT
 

INTERNAL TANGENT Online version

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.

by DEBORAH DEVEAUX
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Internal Tangent

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