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How man y inches is multiplied if the answer is 63 square inches?
1 inch by 63 inches, or 3 inches by 21 inches, or 7 inches by 9 inches, or 70 inches by 0.9 inches 700 inches by 0.09 inches There are an infinite number of possible answers.
How man square feet in a 21ft diameter circle?
The area of a circle can be calculated using the formula: A = πr^2. If the diameter is 21ft, the radius would be half of that, which is 10.5ft. The area of the circle would be approximately 346 square feet.
How man inches is 20cm?
It is about 8 inches
How man inches in 50 cm?
20 inches.
How do you convert the diameter of a circle to square feet?
You don'tPerhaps your question is very poorly articulated. You don't "convert" a diameter to "square feet." You calculate a circle's area (in square feet) if you know its diameter (in feet) and the formula for the area of a circle.The area of circle is given by the formula A = (Pi)r2, where r is the radius of the circle. Note that the radius is one half the diameter: r = d/2.We can then derive a formula for area as a function of the diameter:A = (Pi)r2 = (Pi)(d/2)2 = (Pi)d2/4 or (1/4)(Pi)d2.When using the formulas, you must be certain that your units are consistent. If your diameter is in feet, then your answer will be in square feet.Note that you can use Pi = 3.14 for most routine calculations.Actually, you can use a diameter in inches and get an area in square feet. The constant is 0.005454. So, the area equation is converted to look like thisA=0.005454d2you do not have to get an answer in the same unitsalso, the same applies for the metric systemA=0.0000785d2for this, you can put in a diameter in centimeters and get square metersSo sorry man, but you can indeed get an area that is in a different unit.AddendaThe fact remains that the diameter of a circle is a linear measurement and cannot be converted to an area or square measurement. Knowing the diameter you can find the area of the circle and using various manipulations convert it to the desired system of units.
