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IB MAI HL Geometry & Trigonometry Topic 3.5 Geometric Transformations (id: e1470

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admin 发表于 2024-2-17 20:11:18 | 显示全部楼层 |阅读模式
本题目来源于试卷: IB MAI HL Geometry & Trigonometry Topic 3.5 Geometric Transformations,类别为 IB数学

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A circle defined by the eqt7n , fzeczas akjq6ya( .k) ywy):zn*-sxj20uatioh2mjlyamae i:n26x :;0vn77ja u7nam2kkb 6 zn $x^{2}+y^{2}=\frac{20}{4}$ is horizontally stretched by a scale factor of $\frac{8}{5}$ and then translated by the vector $\left(\begin{array}{l}0 \\ \frac{5}{2}\end{array}\right)$ .
1. On the following grid, draw the image of the circle.

2.Find the area of the image of the circle, giving your answer in terms of π.    π




参考答案: 10±2%


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