百度试题 结果1 题目What is the area of a 4x4 square?相关知识点: 试题来源: 解析 所以,一个4x4正方形的面积是16平方单位。 一个4x4的正方形,其边长为4个单位。正方形的面积等于边长的平方,因此面积为4 * 4 = 16平方单位。反馈 收藏
解析 an [详解]考查不定冠词。句意:中国拥有960万平方公里的国土面积,历史悠久。根据句意可知,此处指中国有面积为960万平方公里的国土,area是泛指,空处需用不定冠词。area的发音以元音音素开头,不定冠词用an。with an area of意为“面积为”。故填an。
= 3 cm.Example 4: The area of a rectangle is 12 square inches and the width is 3 inches. What is the length?Solution: A = L * W12 in2 = L * 3inSince 4 · 3 = 12, we get (4 in) · (3 in) = 12 in2. So L must equal 4 in....
For example, {eq}f(x) = 13x +2 {/eq} is a linear function of {eq}x {/eq} which depends on the value of {eq}x. {/eq} Answer and Explanation: According to the question, the area of a square with sides...
If A is the area of a square with side s, then the area is simply expressed as {eq}A = s^{2} {/eq}. The diagonal of a square is formed by simply connecting two opposite vertices of the polygon. Thus, a line segment is formed and is considered the longest line segment in the ...
A. 63 square feet B. 72 square feet C. 81 square feet D. 90 square feet 相关知识点: 试题来源: 解析 B。解析:长方形长为 48÷6 = 8 英尺。半圆半径为 3 英尺,面积为 1/2×π×3²≈14.13 平方英尺。组合图形总面积为 48 + 14.13 = 62.13 约等于 62 平方英尺,最接近选项 B72 平方英尺...
The area of a square is 49 square meters. What is the length of each side? A. 6 meters B. 7 meters C. 8 meters D. 9 meters 相关知识点: 试题来源: 解析 B。解析:正方形面积等于边长的平方,已知面积是 49 平方米,那么边长等于根号下 49,即 7 米。选项 A,6 的平方是 36 平方米,不是...
= 150.86 cm2 Problems about surface area of spheres Problem: What is the radius of the sphere given the surface area? Example: What is the radius of a sphere with a surface area of 900π? Show Video Lesson Problem: The surface area of a sphere is 5024 square meters. What is the volu...
A square is a shape that is a four-sided two-dimensional shape that is basically a quadrilateral in which inner angles are right angles. Also, every side length is also identical. The diagonal of a square connects the vertices present at the facing position. T...
Here we have a rectangle, covered with small squares. Each small square stands for 1 square centimetre, that is, each small square is cm on each side. Count the number of squares that cover each rectangle. This will give you theareaof a rectangle in square centimetres. Also, write the ...