IB MAI HL Geometry & Trigonometry Topic 3.2 Trigonometry (id: a7f97d4b5)

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]
In the shaded region shown below, the radius of the smbll6 ;+(rgxk)z5t rpfaller arc is 66 cmw3., yedryn,q.v /7bf)xaqx/ -glt lf and the distance/wd)lft g/-,vrfxl aq.nq x 37ey,.by between the two arcs is 44 cm.

1.Find the perimeter of the shaded region.  cm
2.Find the area of the shaded region.  $cm^2$

参考答案:
空格1: 47.1  空格2: 78.2 


本题详细解析:

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