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Mathematics
Mathematics
Problem
The least perimeter of an isosceles triangle in which a circle of radius
r
r
r
can be inscribed is (a)
4
3
r
4\sqrt{3}r
4
3
r
(b)
2
3
r
2\sqrt{3}r
2
3
r
(c)
6
3
r
6\sqrt{3}r
6
3
r
(d)
8
3
r
8\sqrt{3}r
8
3
r
(a)
4
3
r
4\sqrt{3}r
4
3
r
(b)
2
3
r
2\sqrt{3}r
2
3
r
(c)
6
3
r
6\sqrt{3}r
6
3
r
(d)
8
3
r
8\sqrt{3}r
8
3
r
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