Asked by Anonymous
A flagstaff is placed one corner of a level rectangular playground 40m and 30m wide. If the angle of elevation of the top of the flagstaff from the opposite corner of the ground is 45°.calculate the height of the flagstaff.
Answers
Answered by
Arora
Distance between two opposite points on the ground:
= root(l^2 + b^2)
= root(40^2 + 30^2)
= root(1600 + 900)
= root(2500) = 50m
If θ is the angle of elevation, then:
tanθ = Height of flag/Distance between opposite points
=> tan(45) = h/50
=> 1 = h/50
=> h = 50m
Answered by
Anonymous
Can I know the figure plz
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