The formula for the area of a square is _. A. side×side B. 2×side C. 4×side D. π×side² 相关知识点: 试题来源: 解析 A。本题考查正方形面积公式。选项 A 是正方形面积公式,边长乘边长。选项 B 是正方形周长的一半。选项 C 是正方形周长。选项 D 错误。
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解析 C。选项 A 是数学符号表达,不是英语表达。选项 B“pie”拼写错误,应该是“pi”,且“square”缺少动词形式。选项 C 表达正确,“times”表示“乘以”,“squared”是“平方”的正确表达。选项 D“the square of pi r”表达不准确,应该是圆半径的平方乘以圆周率。
Example 3:Find the area of a square whose diagonal is measured is 4 cm. Solution: Given: Side, d = 4 cm We know that the formula to find the area of a square when the diagonal, d, is given is d2÷2 square units. Substituting the diagonal value, we get: ...
2. When the area of the square is known - For a square with area A, the perimeter is square root (16*A). What are the formulas to determine the perimeter of a square and the area of a square? The formula for the perimeter of a square with side a is given by the following: ...
What is the area of a square? Know the definition, formulas and solve the word problems here with us at BYJU'S. Get perimeter of square formulas also to solve more questions on the square.
r is the radius of the circle, which is the distance squared (raised to the power of 2) from the circle's center to any point on its edge. So, to find the area of a circle, square the radius and multiply by pi. Learn & Test Your Skills ...
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Square Formula Area =a² Where, Area of Square Formula Derivation To better our understanding of the concept, let us take a look at the derivation of the area of Square formula. Let us consider a square as a rectangular object whose length is of a unit and breadth is of a unit. As...
The area of a rectangle is the space occupied within the boundary of the rectangle. It is calculated by finding the product of the length and breadth (width) of the rectangle and is expressed in square units.