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[Problem Solving]

试题详情

题目:

The diagram shows a shaded 9-sided polygon and 9 unshaded isosceles triangles. For each isosceles triangle, the longest side is a side of the shaded polygon and the two sides of equal length are extensions of the two adjacent sides of the shaded polygon.

The figure shown above consists of a shaded 9-sided polygon and 9 unshaded isosceles triangles. For each isosceles triangle, the longest side is a side of the shaded polygon and the two sides of equal length are extensions of the two adjacent sides of the shaded polygon. What is the value of a ?

选项:

A、100
B、105
C、110
D、115
E、120

答案:

A

提问:

想问一下图片里面这道题,正多边形,已知任意两点连线的长度,那么所有其他任意两点连线的长度就都可以求了吗?请老师帮忙解释一下。

解答:

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解答: 徐小梅

提问:

想问一下图片里面这道题,正多边形,已知任意两点连线的长度,那么所有其他任意两点连线的长度就都可以求了吗?请老师帮忙解释一下。

解答:

点赞0
阅读694
解答: 徐小梅老师

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