# 博客的长期演进III

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# SAT考试里最难的数学题？

## 问题

In the figure above, arc $$\text{SBT}$$ is one quarter of a circle with center $$\text{R}$$ and radius 6. If the length plus the width of rectangle $$\text{ABCR}$$ is 8, then the perimeter of the shaded region is

1. $$8+3 \pi$$
2. $$10+3\pi$$
3. $$14+3\pi$$
4. $$1+6\pi$$
5. $$12+6\pi$$

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# 日出

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# 对熊孩子的吐槽

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# 从Wordpress迁移到Jekyll

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