A new park design uses part of a city block, but there is already a building in the northwest corner of the block. If the park uses all of the space in the block from AC¯¯¯¯¯¯ to the right, what is the area of the park in the blueprint, rounded to the nearest square cm? Rectangle A B D E is divided by a segment from A to point C on B D. A B measures 10 centimeters and A E measures 21 centimeters. Angles A B D and A E D are right angles and angle A C D measures 150 degrees. A. 87 cm2 B. 105 cm2 C. 123 cm2 D. 210 cm2

Which of the following would not be considered a geographic impact on the history of middle and south america? a. the relative geographic isolation of the americas meant that they would be more susceptible to european diseases. b. ernesto “che” guevara's trip throughout south america inspired him to become a revolutionary. c. the tropical climate of north america has encouraged many south american countries to produce goods there. d. the proximity of the united states to middle and south america has strengthened its relationship to the region.