IB MAI HL Geometry & Trigonometry Topic 3.2 Trigonometry (id: 2092dd52f)

本题目来源于试卷: IB MAI HL Geometry & Trigonometry Topic 3.2 Trigonometry，类别为 IB数学

[填空题]
The quadrilateral AB )ys o3fcrq9/ f8/pl0cmhta x*wh)nk/y+wy +;iah 7f sCD is shown below, where AB = 56m, AD =122 m, CD =40 m, and the a+i wn 7)/fayhwhs+; kyngles $\mathrm{B}\hat{\mathrm{A}}\mathrm{D}$ and $\mathrm{A}\hat{\mathrm{D}}\mathrm{C}$ are $68^{\circ}$ and $80^{\circ}$ respectively.


1.Find the length of line AC.  m
2.Find the area of triangle ACD.  $m^2$
3.Find the angle $\mathrm{D}\hat{\mathrm{A}}\mathrm{C}$. Give your answer in degrees correct to one
decimal place.  $^{\circ}$
4.Find the shortest distance between point B and the line AC.  m
5.Find the length of the perimeter of triangle ABC.  m

参考答案:
空格1: 122±3%  空格2: 2400±3%  空格3: 18.9±3%  空格4: 42.3±3%  空格5: 273±3% 


本题详细解析:

微信扫一扫，分享更方便