The area of a circle is 3.14 square decimeters. What is the radius of the circle? A. 1 decimeter B. 1 meter C. 1 kilometer D. 1 millimeter 相关知识点: 试题来源: 解析 A。圆的面积公式为πr²,已知面积为 3.14 平方分米,π取 3.14 时,半径 r 的平方为 1,所以半径为 1 分米。选项 ...
What is the area of a circle if the product of its diameter and its radius is 100π( ). A. 50π2 B. 50π C. 100π2 D. 100π相关知识点: 试题来源: 解析 A 反馈 收藏
The area of a circle is represented by 16π. What is the length of a diameter of the circle? A: 16 B: 8 C: 4 D: 4 相关知识点: 试题来源: 解析 B None 反馈 收藏
What is the domain and range of x^2 - 8?Domain and Range of a FunctionThe domain of a function is the set of all possible values of the independent variable while the range of a function is the set of the possible values of the function depending on the input value of the domain.An...
题目A circle has a diameter of 10 cm. What is the circumference of the circle? (Use π≈3.14) A. 15.7 cm B. 31.4 cm C. 62.8 cm D. 78.5 cm 相关知识点: 试题来源: 解析 B。圆的周长等于π乘以直径,直径是10厘米,π取3.14,那么周长就是3.14乘以10等于31.4厘米。
Finding the domain and range is basically looking at the inputs and outputs to the function. But let's look at a graph to really understand this. Finding Range Graphically Recall that the open circle means that that point is not included. Made using Desmos This is the same graph from ...
The radius of a circle is increasing at a rate of 1 centimeter per second. What is the rate of change of the circumference when the radius is 3 centimeters? A. 6π centimeters per second B. 2π centimeters per second C. 3π centimeters per second D. 4π centimeters per second ...
what is punctuation what is self place cu what is she calling a what is that somethin what is the differenc what is the interview what is the time what is this charge f what is this thing ca what is your age grou what is your age what is your city of what is your fxdyorit what...
1) The radius of circle is 15 miles. What is the are a of a sector bounded by a70° arc?I 70°r= 15 mi 相关知识点: 试题来源: 解析 9159 15 fre of s S|α|∈|r| 360 =(7a)/(36a)*3.14(15)^2 =7/(36)*3.14*225 =21.98×225 36 =4995.5 36 ...
百度试题 结果1 题目Point is the center of the circle above. If and , what is the length of ? ( ) A. B. C. D. E. 相关知识点: 试题来源: 解析 D 反馈 收藏