mathematicians also use the term to refer to certain distances in regular polygons. In more casual use, radius of a square may also refer to the radius of a circle associated with the square in question.
The area of a circle with a radius of 3 cm is equal to the area of a square. What is the side length of the square? A. 3 cm B. 3π cm C. 3√π cm D. 9 cm 相关知识点: 试题来源: 解析 C。解析:圆的面积为π×3×3 = 9π平方厘米。设正方形边长为 a,则 a×a = 9π,...
The measures of a radius of a circle and a side of a square are equal. If each measure is 1, the area of the circle is πand the area of the square is 1. The ratio of the areas is π:1. 圆的半径和正方形的边长是相等的.圆的面积与正方形的面积之比是( ). A. 1:1 B. 2π...
then you can calculate the value of dV/dt is 288 square inch per minute when r=6 inches,and 4608 square inch per minute when r=24 inches.The rate changes because it is related to both dr/dt and dV/dr, the latter of which is not constant. ...
以圆圈的中心(0.0)所给出的公式来测定其半径。 zhidao.baidu.com 4. an arc a spheroid a rigt angle an obtuse angle a square the centre of a circle the radius of a circle 直角钝角正方形圆心弧球体圆的半径 wenku.baidu.com 5. Measure the radius of a circle 测量圆的半径 www.zhirui.com隐私...
In mathematics, the formula for the area of a circle is pi times the radius squared. If the radius of a circle is 4 centimeters, what is the area? A. 16 pi square centimeters B. 12 pi square centimeters C. 18 pi square centimeters D. 14 pi square centimeters ...
1.Four circles of radius 1cm are drawn with their centres at the four vertices of a square with side length 1cm.The area,in square centimetres,of the region overlapped by all four circles is?2.Let f(x)=(x+6)/x and fn(x)=f(f(……(f(x)……))be the n-fold composite of f....
题目The area of a circle is 28.26 square meters. What is the radius of the circle? A. 3 meters B. 6 meters C. 9 meters D. 1.5 meters 相关知识点: 试题来源: 解析 A。圆的面积公式是:面积 = π×半径×半径,π取 3.14。28.26÷3.14 = 9,9 = 3×3,所以半径是 3 米。
Twitter Google Share on Facebook in gearing, the radius of the pitch circle of a cogwheel. See also:Geometric Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co. Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visit...
The area of a circular garden is 28.26 square meters. What is the radius of the garden? A. 3 meters B. 4 meters C. 5 meters D. 6 meters 相关知识点: 试题来源: 解析 A。圆的面积公式是πr²,已知面积为 28.26 平方米,π取 3.14,可得 3.14r² = 28.26,r² = 9,r = 3 米。