( (array)(rr)r=& 18(array)) 相关知识点: 试题来源: 解析 The surface area of a sphere is equal to ( 4) times Pi(π ) times the radius squared. ( 4π ⋅ ((radius))^2) Substitute the value of the radius( r=18) into the formula to find the surface area of the sphere. Pi...
A rectangular box P is inscribed in a sphere of radius r. The surface area of P is 384, and the sum of the lengths of its 12 edges is 112. What is r?( )A. 8 B. 10 C. 12 D. 14 E. 16 相关知识点: 试题来源: 解析 B N/A. ...
. What is the surface area of the sphere?What is the volume of the sphere? ( Leave your answer with π in it. ) 相关知识点: 试题来源: 解析 324π, 972π.结果一 题目 【题目】T he radius of a sphere is 9 cm. What is the surfacearea of the sphere?What is the volume of the ...
Sphere : The surface area of a sphere is a function of the sphere's radius. If the radius of a sphere is r, the surface of the sphere is given by the following formula. $$A=4\pi r^2 $$ Answer and Explanation: Beco...
百度试题 结果1 题目The radius of a sphere is 6 cm . What is the surface area of the sphere ? What is the volume of the sphere ? 相关知识点: 试题来源: 解析 144π;288π. Surface area :4π×62=144π; Volume :43×π×63=288π....
(1)Find the rates of change of the volume when r=9 inches and r=36 inches. (2)Explain why the rate of change of the volume of the sphere is not constant even though dr/dt is constant. 相关知识点: 试题来源: 解析 (1)972π in.3/min, 15,552π in.3/min (2)If (dr)(dt) i...
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quadrilateral radiusradian四边形半径 弧度(弧长/半径)regularpolygon正多边形rectangular solidrectangle长方体长方形right angle right triangle squaresphere sidesurface area straight angle segment tangent trianglevertex(vert 52、ices)angle直角直角三角形 正方形 球边表面积 平角线段切线 三角形顶角作业<1>If a and...
The volume of a sphere with radius of 3 cm is___. A. 36π cubic centimeters B. 24π cubic centimeters C. 18π cubic centimeters D. 12π cubic centimeters 相关知识点: 试题来源: 解析 A。球体体积=4/3×π×半径的立方,4/3×π×3×3×3=36π 立方厘米。
A) y = 8x + 12 B) 8x + 12y = 480 C) y = 12x + 8 D) 12x + 8y = 480 19 Circle A has a radius of 3n and circle B has a radius of 129n, where n is a positive constant. The area of circle B is how many times the area of circle A? A) 43 B) 86 C) 129 D) ...