Question

For the four questions below, please show all necessary calculations to receive full credit. (I point per question) nearest 0.01 ft. Please show all length or distance measurements to the 1. A surveyor, standing on a level ground at a measurable distance from a building, is attempting to determine ght of the building using an Abney Clinometer (a hand level, set at 450). If the surveyor's eye height is ojective 2-.1 5 ft 4 in (5*4") above the ground, and is 37.32 ft away from the building, what would be the height of the building (from the ground)? Not to Scale \,Line of Sight Building Distance Horizon-37.32 ft Eye Height: 5ft4 in- 5.33 ft Surveyor Ground (level) a) 69.81 ft □ b) 69.24 ft □ c) 42.72 ft □ d) 42.65 ft □e) None of the above is true

Answer 1

Line th sight euildin suveo GL) S 3T 324 Giver height ช0 building f AB c A B + BD Fren triagyle tane -AB BC 4-6 Вс A B A8 BCE 31.33 f+ BD= 5'4" : 5, 333 ft height ob Buildin! AD = AB t BD AD 313t 6.33 AD 4.65 ft soPhon d +2.65 ft