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In triangle ABC, medians AD and CE are drawn. If `AD = 5, angle DAC = pi//8 " and " angle ACE = pi//4`, then the area of the triangle ABC is equal to

A

`25/3`

B

`1/3`

C

`11/3`

D

`19/11`

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A
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AAKASH SERIES-PROPERTIES OF TRIANGLES-LECTURE SHEET EXERCISE - III (Straight Objective Type Question)
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  2. In DeltaABC, if a=7 b=8, c=9 then the distance from the vertex B to th...

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  3. In triangle ABC, medians AD and CE are drawn. If AD = 5, angle DAC = p...

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  4. If the median of DeltaABC through A is perpendicular to AB then tan A+...

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  5. Let l(1), l(2), l(3) be the lengths of the internal bisectors of angle...

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  6. In trianle ABC, CD is the bisector of the angle C. if cos . C/2 = 1/3 ...

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  7. If AD, BE , CF are internal bisectors of the angles of Delta ABC, " th...

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  8. If two shorter sides of a triangle measure 9 and 18. If the internal a...

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  9. The internal angular bisectors of angles of a Delta^("le") ABC meets c...

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  10. In a triangle ABC bisector of lfloor C meets the side AB at D and circ...

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  11. In Delta ABC , the median AD divides angle BAC such that angle BAD : ...

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  12. In a triangle ABC, the median to the side BC is of length 1/sqrt(11 - ...

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  13. If AD, BE and CF are the medians of a triangle ABC, then AD^(2) + BE^(...

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  14. If in a triangle PQR , sin P, sin Q, sin R are in A.P., then

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  15. In DeltaABC, AD is the altitude from A, if b gt c, C=23^(0), AD=(abc)/...

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  16. Altitude AD of an equilateral triangle ABC is a diameter of circle. If...

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  17. A triangle is inscribed in a circle. The vertices of the triangle divi...

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  18. The base of a triangle is a and ratio of remaining two sides is r ( r ...

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  19. The area of the right angled triangle in terms of its circum radius an...

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  20. In a triangle ABC, D and E are the mid-points of BC, CA respectively. ...

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