a tree is 9m tall is broken at a height of 4m from the ground and its top touches the ground find the distance of the point where the top touches the ground from the base at the tree
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Answer is 3m.
Step-by-step explanation:
After breaking a right angled triangle is formed whose hypotenuse is 5m and perpendicular is 4m.
So the base is
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By Pythagoras theorem,
(AB)^2+(BC)^2=(AC)^2.
(4)^2+(BC)^2=(5)^2.
(BC)^2=25-16.
BC=√9=3m.
Thus the answer is 3m.
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