Area of Circle formula in terms of DiameterThe diameter is double the radius, i.e., we can write diameter = 2 x radius. Therefore, the radius will be d/2. From the area of the circle 𝜋r2, putting the value of r in terms of d, we get,A = 𝜋 (d/2)2 = 𝜋/4 d2....
The formula for the area of a circle is ___. A. πr² B. pie r square C. pi times r squared D. the square of pi r 相关知识点: 试题来源: 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”...
The formula for the area of a circle is A = πr2, where r is the radius of the circle. The unit of area is the square unit, for example, m2, cm2, in2 etc. In this article, we will learn terms related to circles, like radius, diameter, perimeter, area of the circle, etc. ...
Proof of the Area of a Circle Formula A = πr 2Chess, Caron
The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the diameter.
A. diameter B. radius C. circumference D. area 相关知识点: 试题来源: 解析 B。本题考查圆的面积公式中各个字母的含义。'r'在圆的面积公式 A = πr²中代表半径(radius)。A 选项 diameter 是直径;C 选项 circumference 是周长;D 选项 area 是面积。反馈...
Half of the diameter D. Double of the diameter 相关知识点: 试题来源: 解析 C。在计算圆的面积公式中,“radius”指“半径”,即直径的一半,选项 A“Diameter”指“直径”,选项 B“Circumference”指“周长”,选项 D“Double of the diameter”指“直径的两倍”,均不符合“radius”的意思。反馈 收藏 ...
The formula for finding the area of a circle is A = πd²/4, where d is the ___. A. radius B. diameter C. circumference D. perimeter 相关知识点: 试题来源: 解析 B。本题考查圆的面积公式中直径的作用。在这个公式中,d 表示直径。反馈...
Area of a circle formula So, let's see how to find the area of a circle. There are several ways to achieve it. Here, we can calculate the area of a circle using a diameter or using a radius. 💡 The diameter is the line that crosses the center of the figure and touches both ...
Area and circumference of a circle: Arc and sector of a circle: Segment of circle and perimeter of segment: Area of the circular ring: Formula for intersecting chords in circle: Formula for length of the tangents of circles: Geometry Math ...