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试题来源: 解析 C If is the side of the cube, then by KEY FACT H7, the length of , a diagonal of the square base, is . Then by the Pythagorean theorem (KEY FACT H5), in right :.The formula for the total surface area of a cube is (KEY FACT K2), so . 反馈 收藏 ...
Example 1: The value of each side of a cube is 20 cm. What is the surface area of the cube? Solution: Let’s use the formula to calculate the surface area where the value of each side is a. Surface area of the cube = 6a² = 6 ✕ 400 = 2400 cm² Example 2: The value...
A. The surface area of the cube B. The side length of the cube C. The diagonal of the cube D. The space inside the cube 相关知识点: 试题来源: 解析 B。本题考查正方体体积公式中“s”的含义。选项 A 是正方体的表面积;选项 C 是正方体的对角线;选项 D 是正方体内部的空间。“s”在...
A. surface area B. side length C. slant height D. sum 相关知识点: 试题来源: 解析 B。本题考查正方体体积公式中字母的含义。在正方体体积公式 V = s³中,'s'代表边长(side length)。A 选项 surface area 是表面积;C 选项 slant height 是斜高;D 选项 sum 是和。反馈 收藏 ...
The formula for the volume of a cube is V = s^3 . What is the volume of a cube with a side length s = 3 feet? You have a container whose volume is 216 cubic centimeters. If your container is a cube, what is the length of each of its dimensions?
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Therefore, its volume is 64 cubic units. Volume of a Cube Formula To find the volume of a cube, we need to know the length of any one edge of the cube. The length is to be multiplied by itself three times to get the volume. The volume is measured in cubic units. For example, ...
Surface Area of a Cube & Rectangular Prism | Definition & Formula from Chapter 2 / Lesson 5 285K Learn the formulas for surface area of a rectangular prism and cube and see examples of how to calculate the surface area of a rectangular prism and cube. Related...
What is a sphere? Learn the definition, meaning, properties and attributes of a sphere. Also learn formulas related to spheres and see examples of...