P0643Exp1 Weight: A billboard at the top of a building is being M Use me to enter the answer illuminated by a projection light ( L ) that is 116 feet 340 2 3 Back from the base of the building as shown in the figure. 5 Delete Determine how tall the billboard if its lower and the 470 9 Clear upper ends makes angles of 340 and 470 with the horizontal line from the projection light. Also find the L area of the triangle illuminated by the project light. "Use tan 340 ~ 0.6745, tan 470 ~ 1.0724 ( Enter the answer up to two decimal places. )" Height = ft Area = ft2 Done