【题目】 As is shown in the following picture ,the side length of the square is Acm,What is the area of the shaded part?翻译! 相关知识点: 试题来源: 解析 【解析】 答案:如下图所示,正方形的边长是4厘 米,阴影部分的面积是多少? 核心短语/句式:the side length
so the area is a quarter of the area of the largest square: 10 ×10-4=25 square centmeters. The correct answer is B 【答案】B 【解析】 如图,将阴影部分分割成4块 形状、 大小完全相同的三角形、 这4块 三角形可以拼成一个2 ×2的正方形,它 们的面积恰为大正方形面积的四分之一 10...
Finding the square root of a number is a problem that shows up often in the real world. When the number we are taking the square root of is not a perfect square and has no perfect square factors, we cannot express the square root exactly in decimal form. Therefore, we can find a clo...
Square Root of a NumberThe square of any number is the number multiplied by itself. The square root of any number is the number which when multiplied by itself gives the original number. Here, we are trying to find the square the number 0.09 and hence we must find the number which when...
The building I want to talk about is ‘Time Square Plaza’, which is located in the city center of my hometown. It is one of the iconic symbols in that area. Describe a place you visited on vacation The place I want to talk about is Hangzhou, which is a city located in the souther...
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 = 9...
A. 300 square meters B. 400 square meters C. 500 square meters D. 600 square meters 相关知识点: 试题来源: 解析 B。解析:文章中明确给出“So, the area of this playground is 20 times 20, which is 400 square meters.”。 反馈 收藏 ...
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...
The sum of the square of a positive number and the square of {eq}3 {/eq} more than the number is {eq}185 {/eq}. What is the number? Quadratic equation: A quadratic equation is an equation with degree {eq}2 {/eq}. There are two way...
The big square (正方形) has an area of 60 square centimetres. Is there a fast way to figure out what the area of the small square is? 试题答案 在线课程 答案: 解析: The area of the little square is 30 square centimetres. 练习册系列答案 ...