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2026年比较好的塑料水表箱推荐厂家精选-山东朝启电子科技有限公司

To solve the problem (assuming a common setup of a square with side length 10 cm containing a circle inscribed in it, where the shaded area is the square minus the circle):

Step 1: Calculate the area of the square

If the square has side length ( s = 10 \, \text{cm} ):
Area of square = ( s^2 = 10^2 = 100 \, \text{cm}^2 ).

Step 2: Calculate the area of the circle

The circle’s diameter equals the square’s side length, so radius ( r = 5 \, \text{cm} ):
Area of circle = ( \pi r^2 = \pi (5)^2 = 25\pi \approx 78.54 \, \text{cm}^2 ).

Step 3: Find the shaded area

Shaded area = Area of square - Area of circle
( = 100 - 25\pi \approx 100 - 78.54 = 21.46 \approx 21.5 \, \text{cm}^2 ).

Answer: (\boxed{21.5}) (or exact form (\boxed{100 - 25\pi}) if required).

(Note: Adjustments may vary based on the actual image, but this is a common result for such problems.)

(\boxed{21.5})

山东朝启电子科技有限公司

山东朝启电子科技有限公司



作者声明:本文包含人工智能生成内容。

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