百度试题 结果1 题目Write the equation of the circle: center(−1,6), radius=5 相关知识点: 试题来源: 解析 (x + 1) + (y − 6) = 25 (x + 1) + (y − 6) = 25 反馈 收藏
Area of a Circle = πr² Where: -π (pi) is a constant approximately equal to 3.14, - r is the radius of the circle. 1.Identify the radius: The radius given isr=√5cm. 2.Substitute the radius into the area formula: Area=πr2=π(√5)2 3.Calculate(√5)2: (√5)2=5 4.Su...
To find the equation of the circle whose center lies on the line x−4y=1 and which passes through the points (3,7) and (5,5), we can follow these steps: Step 1: Understanding the Circle's EquationThe general equation of a circle with center (h,k) and radius r is given by:(...
There is a circle. The radius is 5 cm. What is the circumference of the circle? A. 10π cm B. 15π cm C. 20π cm D. 25π cm 相关知识点: 试题来源: 解析 C。圆的周长公式为 2πr,半径是 5cm,周长就是 2π×5=10π cm,而四个选项中只有 C 的 20π cm 符合条件,A 选项结果...
A circle is a planner geometry that is a locus of all points on the plane that has the same distance from a point at the fixed spot. This constant distance is termed as the radius and the fixed point is known as the center of the circle. ...
百度试题 结果1 题目【题目】Write the standard form of the equation of the circle with radius 5 and center (-3,6). 相关知识点: 试题来源: 解析 【解析】 $$ ( x + 3 ) ^ { 2 } + ( y - 6 ) ^ { 2 } = 2 5 $$ 反馈 收藏 ...
The radius of the circle is found by using the distance formula,d=(x2−x1)2+(y2−y1)2. If we expand the equation of the circle, then we will get the general form of the circle. Answer and Explanation:1 We are to ...
To find the radius of the circle whose area is equal to the sum of the areas of two circles with radii 15 cm and 8 cm, we can follow these steps:Step 1: Calculate the area of the first circle The formula for the area of a circl
Calculate the circumference of a circle with a radius of 5 cm.相关知识点: 试题来源: 解析 10π厘米 或 31.4厘米(取π≈3.14) 圆的周长计算公式为 C = 2πr(其中r为半径)。已知半径r=5cm,代入公式可得:C = 2 ×π× 5 = 10π厘米若采用π的近似值3.14计算:C≈ 2 × 3.14 × 5 = 31.4厘米...
The radius of a circle is 5. (6, 0) and (0, y) are two ends of the diameter. Which of the following could be the value of y? Indicate all such values. A.-8 B.-4 C.2 D.4 E.6 F.8 显示答案 登录后才可以添加做题笔记哦,还没有账号? 马上注册 KMF 解析 网友解析 ...