Elementary Geometry For College St...
Solutions
Elementary Geometry For College St...
In Exercises 17 to 30, use the formula
In a regular polygon of 12 sides, the measure of each side is 2 in., and the measure of an apothem is exactly
To find:
The approximate area of a regular dodecagon.
1) The perimeter of a regular polygon is given by P = ns, where n is the number of sides and s is the length of any side.
2) The area of a regular dodecagon with apothem a and perimeter P is given by
Calculation:
It is given that the length of the side and apothem of a regular polygon are respectively 2 and
Use the formula for the perimeter of regular polygon, i.e., perimeter = ns
Substitute n = 12 and s = 2 in P = ns
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