Mathematics · Geometry
Two circles with centers C and D have radii 3 cm and 15 cm respectively. A common internal tangent AB intersects the line segment joining the centers CD at point E, such that AE = 4 cm and BE = 20 cm. What is the distance between the centers of the circles?
- 130 cm✓
- 210 cm
- 315 cm
- 420 cm
Correct answer
30 cm
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