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L and M are the mid points of AB and BC respectively of `DeltaABC` , right angled at B . `4LC^(2)=`

A

`AB^(2)+4BC^(2)`

B

`BC^(2)+4AB^(2)`

C

`AC^(2)+4AB^(2)`

D

None of these

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The correct Answer is:
A
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MTG IIT JEE FOUNDATION-TRIANGLES - Exercise (Multiple Choice Questions) (LEVEL -1 )
  1. DeltaABC is a right triangle , right angled at A and ADbotBC . If AB...

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  2. Delta ABC is right-angled at A and AD bot BC. If BC=13 cm and AC=5 cm,...

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  3. L and M are the mid points of AB and BC respectively of DeltaABC , r...

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  4. In the given figure , x in terms of a , b and c is

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  5. In figure, two line segments AC and BD intersects each other at the po...

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  6. In the given figure , value of x is

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  7. In the given figure , if (AB)/(AC)=(BD)/(CD) , then angleABD=

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  8. The point in the plane of a triangle which is at equal perpendicular d...

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  9. PSR is a triangle right angled at s . D is the mid -point of SR .If t...

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  10. An isosceles triangle has a 10 inches base and two 13 inches sides .W...

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  11. If the ratio of the perimeter of two similar triangles is 4:25, then f...

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  12. In DeltaABC,angleB=90^(@)andBDbotAC. If DC=7 cm and AD = 3 cm , then t...

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  13. In which of the following options ,DE ||AB where D and E lie on the si...

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  14. In the given figure , DeltaABC~DeltaPQR ,PM is median of DeltaPQR . I...

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  15. In a rectangle ABCD , E is the mid -point of AB . If AB= 16 m and AD =...

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  16. In the given figure , PQRS is a parallelogram with PQ = 16 cm and Q...

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  17. The perimeters of two similar triangles are 30 cm and 20 cm . If one ...

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  18. The length of the diagonal of a square is 7sqrt(2) cm . Then , the ar...

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  19. A man goes 15 m due east and then 20 m due north .find his distance ...

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  20. In DeltaABC and DeltaDEF, if /A = 50^@,/B = 70^@, /C = 60^@, /D = 60^@...

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