Suppose △ABC is a triangle with the side length of

高中 已帮助: 时间:2024-03-21 01:37:39

Suppose △ABC is a triangle with the side length of 2, D and E are moving points on the sides BC and AC. AD⊥BE at point M, then the length of Ms" trajectory is ( ).
(A)π/2.
(B)π/3.
(C)π/4.
(D)π/6.
(英汉词典:trajectory轨迹)

难度:⭐⭐⭐

题库:高中,

标签:轨迹,英汉词典,and

相似问题