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In Delta ABC , if tan A + tan B + tan C ...

In `Delta ABC , if tan A + tan B + tan C =3 sqrt3 ` then the triangle is

A

Isosceles

B

right angled

C

Equilateral

D

Right angled isosceles

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PROPERTIES OF TRIANGLES-PRACTICE EXERCISE
  1. If p1, p2, p3 are the lengths of the altitudes from the vertices...

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  2. If cos ^(2) A + cos ^(2) B = cos ^(2) C = 1 then show that Delta A...

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  3. In Delta ABC , if tan A + tan B + tan C =3 sqrt3 then the triangle ...

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  4. In Delta ABC , if sin ^(2)A +sin ^(2) B +sin ^(2) C =(3)/(4) , th...

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  5. In Delta ABC , if cos ^(2)A +cos ^(2) B +cos ^(2) C =(3)/(4) , then...

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  6. In a triangles ABC if sin A sin B = ( ab)/( c^(2)) , then the trian...

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  7. In Delta ABC if 2 cos B = ( a)/(c ) , then the triangle is

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  8. In Delta ABC, if cos A cos B+ sin A sin B sin C=1, then a:b:c=

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  9. In Delta ABC , pi((sin ^(2) A +sin A+1)/( sin A)) is always greater ...

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  10. sum a^(3) cos (B-C) =

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  11. In Delta ABC , if AB = 12, BC =13,CA = 5 then the distance of A fro...

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  12. If D is the mid-point of the side BC of triangle ABC and AD is perpend...

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  13. If the hypotenuse of a right angled triangle is four times the length ...

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  14. If the hypotenuse of a right angled triangle is 2sqrt2 times the le...

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  15. If 2sqrt3 is the inradius of an equilateral triangle then the leng...

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  16. The inventre of Delta ABC is the of its excentral triangle

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  17. cos ^(2) ((A)/(2)) + cos ^(2) ((B)/(2)) +cos ^(2) (( C )/(2)) =

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  18. In Delta ABC if 5r = 2R then cos A + cos B + cos C =

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  19. If p1 ,p2,p3 are the lengths of altitudes of Delta ABC from the ...

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  20. If P1 , P2 , P3 are lengths of altitudes of a triangle from its v...

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