- A2
- B0
- C1
- D4
Step-by-Step Solution
6 − 4 = 2 < 3 < 6 + 4 = 10, so the circles cut each other at two points. Intersecting circles have exactly two common tangents (both direct).
Answer: A) 2
How many common tangents do two circles of radii 6 cm and 4 cm have if their centres are 3 cm apart?
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