Guddi was standing on a road near a mall. She was
1000m away from the mall and able to see the top of
the mall from the road in such a way that top of the
tree, which is in between her and the mall, was
exactly in line of sight with the top of the mall. The
tree height is 10m and it is 20m away from Guddi.
How tall is the mall?
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Answer:Mall is 500 m Tall
Step-by-step explanation:
Guddi was standing on a road near a mall. She was 1000m away from the mall and able to see the top of the mall from the road in such a way that top of the tree, which is in between her and the mall, was exactly in line of sight with the top of the mall. The tree height is 10m and it is 20m away from Guddi.
Tan θ = Perpendicular / Base
Angle with tree top & Mall top is same
Tanθ = Height of tree / Distance of tree from guddi
=> Tanθ = 10/20
=> Tanθ = 1/2
Tanθ = Height of Mall / Distance of Mall from guddi
=> 1/2 = Height of Mall / 1000
=> Height of Mall = 500 m
Mall is 500 m Tall
Hope this might be helpful
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myself Vandana
I'm in 9th grade
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