Mathematics · Geometry
Circles are inscribed in and circumscribed around a triangle whose sides are 3 cm, 4 cm, and 5 cm. What is the ratio of the radius of the in-circle to that of the circumcircle?
- 12 : 5✓
- 23 : 5
- 31 : 5
- 45 : 2
Correct answer
2 : 5
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