未分类题

用一根长为a,并且没有伸缩性的线围成面积为S的等边三角形.在这个等边三角形内任取一点P,则点P 到等边三角形三条边的距离之和为( ).
(A)2S/a
(B)4S/a
(C)6S/a
(D)8S/a

A.在这个等边三角形内任取一点P,则点P
B.
(A)2S/a

【参考答案】

参考 C
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