There are two points, A and B, whose elevations above datum are h=1380 ft and hg=930 ft and whose images a and & on a vertical photograph have photo coordinates z = 2.95 in.. 32.32 in. 2-1.64 in., and 3-2.66 in. The camera focal length was 1524 mm and the flying height above. datum 7800 ft. Part A On the same photograph, an image d of a third point D appears. Its olevation is hp-1290 ft and its photo coordinates are -2.72 in. and yu-3.00 in. Calculate the area, in acres, of triangle ABD Express your answer to four significant figures. IVE ΑΣΦ area= Submit Provide Feedback Request Answer + O 93 ? ac. Next >

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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There are two points, A and B, whose elevations above datum are h4 = 1380 ft and hp = 930 ft. and whose images a and b on a vertical photograph have photo coordinates a = 2.95 in.. y = 2.32 in. z = -1.64 in., and 3 = -2.66 in. The camera focal length was 152.4 mm and the flying height above
datum 7800 ft.
Part A
On the same photograph, an image d of a third point D appears. Its elevation is hp 1290 ft and its photo coordinates are zd=2.72 in. and yu = 3.09 in. Calculate the area, in acres, of triangle ABD
Express your answer to four significant figures.
ΤΕΙ ΑΣΦ
area=
Submit
Provide Feedback
Request Answer
^
C PEX ?
ac.
Next >
Transcribed Image Text:There are two points, A and B, whose elevations above datum are h4 = 1380 ft and hp = 930 ft. and whose images a and b on a vertical photograph have photo coordinates a = 2.95 in.. y = 2.32 in. z = -1.64 in., and 3 = -2.66 in. The camera focal length was 152.4 mm and the flying height above datum 7800 ft. Part A On the same photograph, an image d of a third point D appears. Its elevation is hp 1290 ft and its photo coordinates are zd=2.72 in. and yu = 3.09 in. Calculate the area, in acres, of triangle ABD Express your answer to four significant figures. ΤΕΙ ΑΣΦ area= Submit Provide Feedback Request Answer ^ C PEX ? ac. Next >
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