The bisector of an equilateral triangle is 12 cm. Find the radius of the circle inscribed in this triangle.
| December 3, 2020 | education
The bisector of an equilateral triangle is also its height,
the formula for the height h = 3r from this comes such a solution
12 = 3r
r = 12/3
r = 4
answer: 4 cm
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