Question

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Answer 1

first name the diagram abcde

here,

angle of elevation = 45 degree

hence, angle ADE = 45 degree

and, distance(BC) = 28.5m

height of observer = CD = 1.5m

since BC and DE are parallel lines

BC = DE = 28.5m

also, CD and BE are parallel lines

& CD = BE = 1.5m

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