Regular means all angles are equivalent. Since their are 10 sides in the decagon, the sum of the interior angles is 144 * 10.
Alternatively, the sum of the measures of the interior angles in the decagon, can also be found by applying the formula (n-2) * 180, where n is the number of sides.
To find the answer divide each money amount by the cost: 3.45/14=<span>0.246428571429 </span>4.35/16=0.271875 3.29/12=0.274166666667 4.25/15=<span>0.283333333333 </span>The pickle jar that has the best deal is 14 oz for $3.45
