• 4. An arch is in the form of a se...
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• 4. An arch is in the form of a semi-ellipse. It is 8 m wide and 2 m high at the centre. Find the height of the arch at a point 1.5 m from one end.

JEE/Engineering Exams
Maths
Solution
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Length of major axe of ellipse = 2 a ( A B=2 a Rightarrow 8=20 ) ( a=4 ) Length of serria-minor axi ( -( )
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