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Earn +20 ptsQ: Why do we use 3.14 when finding the area of a circle?
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Why do you use the radius in the formula of finding the area of a circle?
Area of circle = pi*(radius)2
What is the circumference of a circle with an area of 314 in2?
Tells you the answer is 2*sqrt(314*pi) inches, which is approximately 62.82 inches Seriously though. Use metric units in maths it makes everything just work!
How do I use pie in geometry?
A pie chart is used to compare facts with each other visually in the form of a circle whereas pi is used for example in finding the area of a circle.
When you use 3.14 for pie in math do you multiply or divide?
That depends on the given problem but if its for finding the circumference or area of a circle then 3.14 is multiplied appropriately.
What is the formula for finding diameter when given the area?
Assuming you mean a circle, use the formula for the area of a circle, which is usually expressed in terms of the radius, and solve for the radius. Then you can multiply that by two to get the diameter, since the diameter is twice the radius.
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