欲以 100 mm 正弦桿量測 30 o 角度，若其中一端放置高度 25 mm 塊規，則另一端之塊規尺寸為何？ ( sin 30o = 0.cos 30o = 0.tan30o =

問題詳情

22. 欲以 100 mm 正弦桿量測 30 o 角度，若其中一端放置高度 25 mm 塊規，則另一端之塊規尺寸為何？ ( sin 30o = 0.cos 30o = 0.tan30o = 0.cot 30o = 1.732 )
(A) 198.2 mm
(B) 111.6 mm
(C) 82.7 mm
(D) 75 mm

參考答案

答案：D
難度：適中0.464789
統計：A(7),B(7),C(19),D(33),E(0)

內容推薦

41-50People in the United States in the nineteenth century were haunted by the prospect that unprece
With which of the following statements is the author most likely to agree?(A)Communications s
The word "supplanted" in line 10 is closest in meaning to(A)supported(B)promoted(C
According to the passage, which of the following statements about the damage in the South is
Which of the following products would a northwestern farmer in the early nineteenth century b
In one of the first districts the social work team entered, Tracy found an unusually large numbe
Most travelers retain in their memory different f ine impressions of the place they have visited
The author mention all of the following as problems with the survival of panel paintings EXC
欲選用 2 mm 基數、112 塊規組中之塊規，組合 125 mm 之尺寸，則宜最先選擇的塊規尺寸為下列何者？(A) 0.025 mm (B) 005 mm (C) 0.125 mm
In the first paragraph, the author describes objects in the universe in terms of their(A)colo