Diameter(d)=2×Radius(r) The ratio of circumference to diameter is always constant and equal to the π. Answer and Explanation: Given: The area of the circle in terms of diameter is A=π(d2)2 And We know that th...
Area of a circle, formula explained How do you find the area of a circle with the diameter? The formula for the area A as a function of the diameter d of a circle is given by A= π (d/2)^2. Who discovered the area of a circle?
The area of a circle is the amount of space that is covered by a circular shape or figure. Answer and Explanation: The circumference of a circle is given by: {eq}C = \pi D {/eq}, where D is the diameter. Given that a ...
The diameter of a circle is twice its ___. A. radius B. circumference C. area D. volume 相关知识点: 试题来源: 解析 A。“radius”是半径;“circumference”是周长;“area”是面积;“volume”是体积。圆的直径是半径的两倍。反馈 收藏
What is the diameter of the circle with an area of 144π cm? Show your work.相关知识点: 试题来源: 解析 24 cm WORK SHOWN: A = πr, 144π = πr, r = 144, r = 12, d = (2)(12) = 24 24 cm WORK SHOWN: A = πr, 144π = πr, r = 144, r = 12, d = (2)(12)...
The radius of a circle is any of the line segments from its center to its perimeter. The radius is half the diameter or r = d2. Diameter The diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. The...
∙14yago Best Answer Are = pi R2 = pi (D/2)2 = pi (36)2 = 1,296 pi =4,071.504square units (rounded) Wiki User ∙14yago This answer is: Add your answer: Earn +20pts Q:What is the area of a circle with a diameter of 72?
In the first example, we will find the area and circumference of the circle when the radius is given and in the second example, we will find the area and circumference of the circle when the diameter is given. Example 1: Finding the Circumference and Area of a Circle with a Radius ...
What is the diameter of the circle with an area of π ft? Show your work.相关知识点: 试题来源: 解析 1 ft OR ft WORK SHOWN: A = πr, π = πr, r = = • , r = , d = (2) • = 1 1 ft OR ft WORK SHOWN: A = πr, π = πr, r = = • , r = , d = ...
The area of a circle is:π (Pi) times the Radius squared:A = π r2 or, when you know the Diameter:A = (π/4) × D2 or, when you know the Circumference:A = C2 / 4πExample: What is the area of a circle with radius of 3 m ? Radius = r = 3 Area= π r2 = π× ...