IB MAI HL Geometry & Trigonometry Topic 3.2 Trigonometry (id: 116a45daf)

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]
Consider the shape sho;f/va35zlrt j:r7kae wn below (shaded region). The radiu2-0rsrza6,qm;qh2z aijk5u fs of the longer arc is 12 cm and the distance between the arcs is;s r q,206aafj-zr52iukz m qh 3 cm.


1.Find the perimeter of the shape.  cm
2.Find the area of the shape.  $cm^2$

参考答案:
空格1: 31.7  空格2: 38.5±3% 


本题详细解析:

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