5. Draw a circle in a square, and the area of the circle is12.56cm^2 then the area of the square is( )cm^2 at least (至少).A. 12.56B. 14C. 16D. 20 相关知识点: 试题来源: 解析 C. 16 已知圆的面积为12.56平方厘米,根据圆的面积公式,可求得圆的半径为2厘米。由于圆内切于正方...
shapes[1] = new Square(4.0); shapes[2] = new Circle(3.0); double totalArea = 0.0; // 所有图形的总面积 // 遍历数组,调用每个图形的getArea()函数,并累加面积 for (int i = 0; i < numShapes; i++) { double area = shapes[i]->getArea(); ...
A circle has a diameter of142mm.What is the area of the circle in square meters? Area of a Circle: The area of a circle is the space occupied by the interior of the two dimensional circle shape. The area of a circle is calculated using a special ratio called "pi"(π)and ...
A circle has about 80% of the area of a similar-width square. The actual value is (π/4) = 0.785398... = 78.5398...%And something interesting for you to try: Circle Area by LinesNamesBecause people have studied circles for thousands of years special names have come about....
sit in a circle 环坐 square the circle 做办不到的事情 五、词义辨析 rotate，revolve，roll，spin，turn，whirl，circle这些动词均有“转动、旋转”之意。rotate侧重指物体围绕自己的轴或中心旋转，即自转。revolve强调指物体围绕本身以外的中心旋转，即公转。roll指某物在平面上滚动或翻滚。spin指沿...
解析 C The diameter of the circle is equal to the length of a side of the square. The area of the square is 10×10=100. 一个圆内切在一个正方形上,如果圆的直径是10,那么正方形的面积是多少( ). A. 40 B. 25 C. 100 D. 400 圆的直径等于正方形边长,正方形的面积是10×10=100....
【解析】C The diameter of the circle is equal to the length of a side of the square. The area of the square is 10×10=100. 一个圆内切在一个正方形上,如果圆的直径是10,那么正方形的面积是多少( ). A. 40 B. 25 C. 100 D. 400 圆的直径等于正方形边长,正方形的面积是10×10=100. ...
Learn how to find the area of a circle inscribed in a square using Java with this comprehensive guide.
circles. An intermediate step in this learning process is combining the two shapes. For instance, if you draw a square and then draw a circle inside the square so that the circle touches all four sides of the square, you can determine the total area outside the circle within the square....