The height of the tree is 20m. The correct option is D.
What are Similar Triangles?
When two triangles have the same shape and the side lengths of the triangles are proportional then the triangles are said to be similar.
The height of the wall is 400
The base length from where the measurement is taken = 200
The tree is 190m from the wall.
The height of the tree has to be determined
The bigger triangle is similar to the smaller triangle as it is just a dilated version.
Let x represent the height of the tree,
So the sides will be proportional
400 / x = 200 /10
x = 20
Therefore, the height of the tree is 20m. The correct option is D.
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