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...
Circumference = Pi X Diameter = 3.1415 X 4cm = 12.566cm What is the circumference of a 4cm circle? Circumference of a circle = 2*pi*radius or diameter*pi What is the circumfrence of a circle if the diameter is 4Cm? The formula for the circumference of a circle is C = &p...
We have a well-known formula for the circumference, or distance around, a circle when given its radius, r, This formula states that if a circle has radius r, then its circumference, C, is {eq}C=2\pi r {/eq}. If we solve this formula for...
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 the area of a circle. Related to this QuestionWhat is the formula for the area of a circle? The area inside the circle is calculate using the ...
FAQ: What is the formula for finding the area of a sector in a circle? What is a circle and its arc? A circle is a shape with all points equidistant from its center. The arc of a circle is a portion of the circumference, or the curved boundary of the circle. How is th...
Circumference length formula in terms of area C = √4·π·A Questions this calculator can answer: How to find the perimeter of a circle with a radius of 4.472 centimeters? A circle has a diameter of 8.944 centimeters. What is its circumference?
What is the formula for calculating the area of a square? The square is a special type of rectangle whose length and width are the same. Hence, theis given by multiplying the length of each side by itself. Area of square=side×side. ...
Circumference length formula in terms of diameter C = π·dCircumference length formula in terms of area C = √4·π·AQuestions this calculator can answer: How to find the perimeter of a circle with a radius of 2.155 m? A circle has a diameter of 4.31 m. What is its ...
Question: Select the correct option.What is the circumference of the circle? Use 3.14 for π.153.86cm21.98cm43.96cm615.44cm 153.86cm 21.98cm 43.96cm 615.44cm There are 2 steps to solve this one.
The concept of diameter is integral to calculating the circumference and area of a circle, relying on the formulae involving pi (π). This specific measure helps in understanding and visualizing the scale of circular objects. Dimensions, conversely, are essential for describing the physical space ...