If the area of a circle is 36π square centimeters, what is the radius of the circle? A. 提回资提回资3 centimeters提回资提回资 B. 四他算原能条定风常更报难料量因她本角目行四他算原能条定风常更报难料量因她本角目行6 centimeters四他算原能条定风常更报难料量因她本角
题目The area of a circle is 154 square meters. What is the radius? (Use 3.14 for π) A. 7 meters B. 8 meters C. 9 meters D. 10 meters 相关知识点: 试题来源: 解析 A。圆的面积公式为面积=π×半径×半径,154 = 3.14×半径×半径,半径×半径 = 154÷3.14 = 49,半径 = 7 米。常见...
A circle is probably the most common enclosed two-dimensional figure in ordinary geometry. Whenever we study the circle, we discuss its circumference, area, and diameter.The important formulas related to the circle are as follows:{eq}\text{Area of the circle}, A=\pi {{r}^...
The area of a circle is equal to one-half the product of the base and height. Acircle=πr2orAcircle=π(d24) where r=d2, r is the radius, and d is the diameter. Example 7 What is the area of a cross-section of 0.143 in. wire? Sign in to download full-size image Solution ...
If the area of a circle is A = (pi)r^2, what is the radius in terms of the area? Solving an Equation for a Specified Variable: In mathematics, when given a formula/equation containing multiple variables, we can solve for one of the variables to get that va...
结果1 题目The area of a circle is 28.26 square meters. What is the radius? A. 3 meters B. 4 meters C. 5 meters D. 6 meters 相关知识点: 试题来源: 解析 A。圆的面积=π×半径的平方,28.26÷3.14=9,9 开平方为 3 米。反馈 收藏 ...
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 ...
Find the area of this circle. The radius is 2.6 cm. Find the area of a circle whose radius is 2.78 cm? What is the circumference and the area of a circle that has a diameter of 35 cm? If the diameter of a circle is 5 cm, what is the circumference and area of the circle?
GMAT 考满分题库The radius of a circle is 10. The area of the sector(fan-shaped) whose center angle is x is A. Which of the following formulas can express A in terms of x?
Circle: The circle is a two-dimensional figure or shape. In other words, the circle is defined in 2-D figure. Letrbe the radius of a circle. Then, the area of the circle can be defined asA=πr2. Here,Ais the area of the circle. ...