百度试题 结果1 题目1. What is the area of a circle?相关知识点: 试题来源: 解析 The area of a circle is calculated using the formula A = πr². 圆形的面积由公式 A = πr² 计算得出,其中 A 代表面积,r 代表圆的半径。反馈 收藏 ...
, What is the area of a circle whose diameter is as long as the diagonal of that square( ). A: B: C: D: 相关知识点: 试题来源: 解析 D The square's side is and its diagonal is , The area of the circle is . 一个正方形的面积是.直径和正方形对角线一样长的圆的面积是( ...
The area of a circle is the total area within the circumference of a circle. Both formulas use the radius of the circle, a line drawn from the center of the circle to the outer edge.Answer and Explanation: The area of a circle with a circumference of 6.28 cm is 3.14 cm2. The...
A = πr2 Circle area formula in terms of diameter A = π(d2)2 Circle area formula in terms of circumference A =C24π See below some definitions related to the formulas: Circumference Circumference is the linear distance around the circle edge. ...
The area of the circle is the space occupied by the circle within the circumference of the circle. The area can be given as the following: $$Area = \pi \times \left( \dfrac{Diameter}{2} \right)^2 $$ The right angle can only be made in the circle when the chord...
百度试题 结果1 题目 What is the area of a circle whose radius is the diagonal of a square whose area is 4? A. 2π B. 2π C. 4π D. 8π E. 16π 相关知识点: 试题来源: 解析 D 反馈 收藏
What is the formula for the area of a circle?a) A = l × wb) A = πr²c) A = 2πrd) A = bh 相关知识点: 试题来源: 解析 b) A = πr² 分析各选项: - **a) A = l × w**:此公式为长方形(矩形)面积的计算方式(长乘宽),与圆无关。 - **b) A = πr²**:...
Area Circunference Inputs: Radius: or Diameter or Circumference: Unit: Calculate Area Result: The area of a circle with diameter 95 is 7088 Formulae: r = 47.5 d = 95 C = 299 A = πr2 = π(d2)2 A = C24π π = 3.1415 A = area C = circumference or perimeter r...
Circle Calculator Area Circunference Inputs: Radius: or Diameter or Circumference: Unit: Calculate Area Result: The area of a circle with diameter 69 is 3739 Formulae: r = 34.5 d = 69 C = 217 A = πr2 = π(d2)2 A = C24π π = 3.1415 A = area C = circumference...
Finding the Area & Circumference of a Circle from Chapter 14 / Lesson 5 254K Discover how to find the area and circumference of a circle. Learn the area of a circle formula, the circumference of a circle formula, how to calculate the circumference of a circle, and how to calculate th...