CORRECT Right to left: 40+28+30+12+20=130 ft. (130)(12)=1560 Up and down: 12+24+16+6+14=72 ft. (72)(12)=864 NEXT QUESTION

Please send any comments to:
Curator: Tom.Benson@grc.nasa.gov
Responsible Official: Kathy.Zona@grc.nasa.gov