Quadrilateral $abcd$ is a square. a circle with center $d$ has arc $aec$. a circle with center $b$ has arc $afc$. if $ab = 2$ cm, what is the total number of square centimeters in the football-shaped area of regions ii and iii combined? express your answer as a decimal to the nearest tenth.

If quotas on sugar were eliminated in the united states, domestic production of sugar would fall. why is this a benefit in economic terms for the united states? i. resources are freed up that could be used more efficiently elsewhere. ii. it is beneficial because it allows foreign producers of sugar to earn income and thus those countries are better off. iii. u.s. consumers are able to enjoy increased consumer surplus because of the lower prices of imported sugar.