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If ABC is a right angled triangle at B a...

If ABC is a right angled triangle at B and M, N are the mid-points of AB and BC, then `4(AN^2+CM^2)` is equal to :

A

`3AC^(2)`

B

`4AC^(2)`

C

`5AC^(2)`

D

`6AC^(2)`

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LUCENT PUBLICATION-CONGRUENCE AND SIMILAR TRIANGLES -EXERCISE-5A
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  2. ABC is a triangle right-angled at C. If p is the length of the perpend...

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  3. If ABC is a right angled triangle at B and M, N are the mid-points of ...

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  4. Area of a right angled triangle is A. If its one of the perpendicular ...

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  5. In triangle ABC, A=90^(@) and AB = 3 unit, AC = 4 unit and side AD is ...

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  6. Let WXYZ be a square. Let P, Q, R, be the midpoints of WX, XY and ZW r...

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  7. If two corresponding sides of two similar triangles are in the ratio 9...

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  8. In a trianlge, if sum of two angles is equal to the third angle (consi...

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  9. In the adjacent figure, L is a point on the internal bisector of acute...

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  10. In the figure given above, ABCD is a parallelogram. P is a point on BC...

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  11. ABC is an isosceles triangle such that AB=BC=8cm and angle ABC=90^@ Wh...

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  12. Let D, E be the points on sides AB and AC respectively of a triangle A...

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  13. In DeltaABC line PQ is drawn parallel to side BC where P and Q are res...

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  14. ABC is a triangle right-angled at B and D is a point on BC produced (B...

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  15. PQR is a triangle right-angled at Q. If X and Y are the mid-points of ...

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  16. In the figure given below, what is the value of x. It is given that ...

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  17. If sides of a triangle are 20 cm, 16 cm and 13 cm, then which one of t...

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  18. DeltaABC and DeltaDEF are similar such that (AB)/(DE)=(BC)/(EF). Area ...

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  19. In DeltaABC, angleA=90^(@). From point A, perpendicular AD is drawn to...

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  20. In DeltaABC, DE||BC where D and E are respectively lie on AB and AC an...

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