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How do you calculate area of a circle?

To calculate the area of a circle, you can use the formula A = πr^2, where A is the area and r is the radius of the circle. Simply square the radius, multiply it by π (approximately 3.14159), and you will have the area of the circle.


How many feet make 340 square foot?

Depends. Measuring in feet gives you a single dimension, length OR width. Combining BOTH dimensions then gives you square feet. A patio that is 10 foot wide and 34 feet long would be 340 square feet. 10 X 34 = 340. But then a patio that is 6.8 foot wide and 50 foot long would also be 340 square feet. Hope that helps. If not please re-ask your question a bit differently.


How many square inches in a cubic inch?

There can be no equivalence. A square inch is a measure of area in 2-dimensional space while a cubic foot is a measure of volume in 3-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, any attempt at conversion from one to the other is fundamentally flawed.


Explain how to do the basic math to determe 3.14 x diameter 2squared?

Your question doesn't make sense. The area of a circle is Pi (approximately 3.14) times the RADIUS squared. An example would be a circle with a diameter of 6 inches and thus the circle would have a radius of 3 inches. Three squared (3 times 3) is 9, and 9 times Pi is approximately 28.3 square inches.


When you make the circle smaller which number in the standard equation for a circle centered at the origin decreases?

The radius of the circle decreases when you make the circle smaller.