So, the area of the circle with a diameter of 6 inches is 28.26 square inches. Example 6 Calculate the area of the circle shown below.Solution Given the diameter, A = πd2/4 square units = 3.14 x 502/4 = (3.14 x 50 x 50)/4 =1962.5 cm2 ...
Radius (r): or Diameter (d): or Area (A): Unit of Lenght: Calculate Circumference Result: The circumference of a circle with area 6π is 15.39(*) Formulas: r = 2.45 d = 4.9 C = 15.4 C = 2·π·r C = π·d C = √4·π·A π = 3.1415 A = ...
What is the area of a circle if the radius is 10 inches? The area of a circle is 28.26 square centimeters. What is its diameter? (use 3.14 = \pi ) The radius of a circle is 5 inches. What is the area of the circle? How do you find the area of a circle with a radius of...
The area of a circle with a radius of 3 cm is equal to the area of a square. What is the side length of the square? A. 3 cm B. 3π cm C. 3√π cm D. 9 cm 相关知识点: 试题来源: 解析 C。解析:圆的面积为π×3×3 = 9π平方厘米。设正方形边长为 a,则 a×a = 9π,...
Find the area of a circle with radius 5 in. 9.99. If the sides of a square are increased by a multiple of 3, by what multiple does the area increase? 9.100. If the sides of a rectangle are increased by a multiple of 6, by what multiple does the area increase? 9.101. If the rad...
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目行四他算原...
Answer to: Find and simplify the exact area of a regular decagon inscribed in a circle of radius 6 inches. (Note: The answer should have no...
We can find the area of a triangle using the formula: $\frac{1}{2} \times \text{base} \times \text{height}$CircleThe area of a circle is calculated using the formula: $\pi r^2$, where r is the radius of the circle and pi $(\pi)$ is a constant that equals 22/7 or 3.14...
The area of a circle with a radius of 3 cm is ___ square centimeters. A. 3π B. 6π C. 9π D. 12π 相关知识点: 试题来源: 解析 C。本题考查圆的面积公式。半径为 3 cm 的圆的面积是 A = πr² = π×3² = 9π 平方厘米。反馈 收藏 ...
Radius: or Diameter or Circumference: Unit: Calculate Area Result: The area of a circle with circumference 8 is 5.093 Formulae: r = 1.27 d = 2.55 C = 8 A = πr2 = π(d2)2 A = C24π π = 3.1415 A = area C = circumference or perimeter r = radius, d = dia...