Mathematics for IGCSE & O level - Circle Theorems (Section 1 - No. 18) | ExamPlay

Mathematics for IGCSE & O level - Circle Theorems (Section 1 - No. 18)

If two circles touch externally, how many common tangents can be drawn?

1

2

3

4

설명

Three common tangents can be drawn to two circles touching externally.

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