radius of the circle. As π is often represented as 3.14, we simply divide the circumference (6.28 cm) by 3.14 to find the diameter, which is 2 cm. Then divide the diameter (2 cm) by 2 to find the radius, which is 1 cm. Next, we use the radius to find the area. The...
What is the area of a circle with a radius of 15? Updated:4/28/2022 Wiki User ∙14yago Best Answer 706.86 square units. Wiki User ∙14yago This answer is: Add your answer: Earn +20pts Q:What is the area of a circle with a radius of 15? Write your answer... Submit...
The Greek letter π π represents the number Pi which is defined as the ratio of the circumference of a circle to its diameter or π = Cd . For simplicity, you can use Pi = 3.14 or Pi = 3.1415. Pi is an irrational number. The first 100 digits of Pi are: 3.1415926535 8979323846 264...
2*pi(如果你取3.14的话）*12=circumference of the whole circle(得到整个圆的周长）=75.36ft 然后圆心角(60/360)*75.36=12.56ft,就这么算
Madame Curie is born in 1867, is France's scientists, the research radioactive phenomenon, took the outstanding scientist, Madame Curie had discovered the discovery radium and po two kind of elements, she has the common scientist no society influence.Is because especially the success feminine pion...
What is π (Pi)? Pi (π) is the ratio of a circle's circumference to its diameter. This means that no matter how big or small a circle is, if you divide the distance around it (circumference) by the distance across it (diameter), you will always get approximately 3.14159. ...
The circumference of a circle with diameter 49 is 153.9(*) Formulas: r = 24.5 d = 49 C = 154 C = 2·π·r C = π·d C = √4·π·A π = 3.1415 A = area of the circle C = circumference or perimeter r = radius, d = diameter Step-by-step Solution:...
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No matter how large or small a circle is, pi will always work out to be the same number. Pi (π) is the 16th letter of the Greek alphabet and is used to represent the widely known mathematical constant. Who invented pi? Pi has been known for nearly 4,000 years and was discovered ...