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ABCD is a trapezium , in which AD||BC, E...

ABCD is a trapezium , in which `AD||BC`, E and F are the mid-point of AB and CD respectively , then EF is :

A

`((AD+ BC))/(2)`

B

`((AB+CD))/(2)`

C

`(DF xx CF)/(AE xx BE)

D

`(AD +EF + BC)/(2)`

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The correct Answer is:
A
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ARIHANT SSC-MENSURATION-EXERCISE (LEVEL 1)
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  8. An acute angle made by a side of parallelogram with other pair of para...

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  10. In the given figure there are 3 semicircles , the radii of each smalle...

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  17. An equilateral triangle is cut from its three vertices to form a regu...

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  18. ABC is an equilateral triangle and PQRS is a square inscribed in the ...

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  19. the area of an equilateral triangle is .

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  20. Adjoining figure shows a square ABCD in which O is the point of inter...

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