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The answer depends on the units used for measuring the circle: 12 WHAT? Inches, miles, millimetres? Since you have not bothered to provide that crucial bit of information, I cannot provide a more useful answer.
where is 11.7 inches on a measuring tape
A rectangle measuring 18 by 12 inches has an area of 216 square inches.
If the area of a circle is about 28 square inches the diameter of the circle is: about 6 inches (5.971).
4.497718692 inches
The answer depends on the units used for measuring the circle: 12 WHAT? Inches, miles, millimetres? Since you have not bothered to provide that crucial bit of information, I cannot provide a more useful answer.
where is 11.7 inches on a measuring tape
Let's say you want to draw a hexagon with each side measuring 2 inches. Take a compass and draw a circle with a radius of 2 inches. With the compass set at the same length (2 inches) start with any point on the circle and measure of 2 inches successively around the circumference of the circle. Join the points with straight lines and you got a hexagon.
In geometry, a circle is a two-dimensional shape formed by all points that are one consistent distance or "radius" from a single central point. For example, if the radius is 5 inches, then the shape formed from the preceding rule would be a perfectly round circle measuring 10 inches in "diameter" (the distance of any one point on a circle to the farthest point on the same circle).
A rectangle measuring 18 by 12 inches has an area of 216 square inches.
If the area of a circle is about 28 square inches the diameter of the circle is: about 6 inches (5.971).
A circle with a radius of 16 inches (32/2) has a circumference of 100.53 inches.
The circumference of a circle, with a diameter of 12 inches, is 37.7 inches.
4.497718692 inches
2.8 inches
Area of a circle in square inches = pi*radius2 in inches
29.85 inches