Hence in this case the probability of choosing a good C is 2/6=1/3. In the second case, the triangle ABC will not intersect the cube if point C is one of the two points on the side that contains AB. Hencethe probabilty of ABC intersecting the inside of the cube is 2/3. In ...
结果1 题目 14. The sum of the lengths of all the edges of a cube is 144 cm.What is the are a of one face of the cube?() A. 144 cm2 B. 196 cm2 C. 256 cm2 D. 324 cm2 相关知识点: 试题来源: 解析 14.答案:A 。 反馈 收藏 ...
What is the cube of a whole number?Whole Number:All whole numbers are also rational numbers. A rational number can also be expressed in the form of a fraction, so all whole numbers can be turned into a fraction. For example, 8 can be expressed as 16/2....
求大神帮满解答GRE数学题1、What is the maximum number of cubes with sides of a length that could fit inside a cube with sides of length 2s? (A) 8 (B) 16 (C) 32 (D) 64 (E) 128 答案选D,可是不知道怎么算出来的 2、The sum of the lengths of two sides of isosceles triangle K is...
Q is a cube. What is the volume of the cube?Statement #1: The total surface area of Q is 150 sq. cmStatement #2: The distance from one vertex through the center of Q to the opposite vertex is
If the surface are a of a cube is increased by a factor of k, what is the change in the length of the edges of the cube? A: The new length is k= times the original length. B: The new length is 2k times the original length. C: The new length is √k times the original leng...
A 解析:细节理解题。根据第一段中的“Smaller than a standard CubeSat, the low-cost student-designed spacecraft is aimed at providing greater access to space for scientists and hobbyists alike.〞及第三段中的“That's part of our major goal—space discovery for everybody.〞可知,该工程的主要目...
62. What is the surface area of a cube?Surface_area=6*ASurface_area=6*A2Surface_area=6*A3Surface_area=3*A2AnswerThe correct answer is: B) Surface_area=6*A2ExplanationAll six faces of a cube are equal squares, and each face has an area of A * A = A2. Because a cube has ...
Surface Area of a Cube | Definition, Calculation & Examples from Chapter 18 / Lesson 13 68K Discover what the surface area of a cube is and the formula for calculating it. Moreover, learn with examples how to use the formula in calculating the surface area of a c...
(1) The ratio of an edge of the cube and the greatest distance between two points on the cube is (2) The length of the diagonal across a face of the cube is 2. 选项: A、Aif statement (1) ALONE is sufficient to answer the question but statement (2) alone is not sufficient; ...