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If cot ""(A)/(2) = 30 , Cot "" (B)/(2)...

If ` cot ""(A)/(2) = 30 , Cot "" (B)/(2) = 50 , Cot "" ( C)/(2) = 70 ` then the ascending order of the sides of the triangles ABC is

A

a,b,c

B

a,c,b

C

b,a,c

D

c,b,a

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The correct Answer is:
D
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AAKASH SERIES-PROPERTIES OF TRIANGLES-EXERCISE - II
  1. If in a Delta ABC, r1= 2r2= 3r3, then the perimeter of the triangle ...

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  2. If in a Delta ABC , r1 =2r2=3r3, then b: c=

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  3. If cot ""(A)/(2) = 30 , Cot "" (B)/(2) = 50 , Cot "" ( C)/(2) = 70...

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  4. A tower, of x metres high, has a flagstaff at its top. The tower and t...

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  5. A ladder of 20 mt long reaches a point 20 mt below the top of a flag s...

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  6. The angle of elevation of the toop point P of the vertical tower PQ of...

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  7. A lamp post is sittuated at the middle point M of the side AC of a tri...

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  8. A flag staff stands vertically on a pillar. The height of the flag sta...

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  9. A tower subtends angles alpha, 2alpha, 3alpha at A,B and C all lyin...

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  10. The upper (3)/(4) the portion of a vertical pole subtends an angle...

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  11. A vertical pole subtends an angle Tan ^(-1) (( 1)/(2)) at a point ...

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  12. The sides of a right angled trinagles are in A.P., then they are in th...

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  13. The angle of elevation of the top of the tower is 45^(@) on walking up...

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  14. The angle of elevation of a tower from two point which are distance h...

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  15. The upper 3//4 of a ship's mast subtends at a point on the deck whic...

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  16. AB is vertical pole with B at ground level and A at the top. A man fi...

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  17. The angle of elevation of the top of the tower is 45^(@) on walking up...

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  18. The angle of a triangle ABC are in an arithmetic progression . The lar...

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  19. In Delta ABC , if x=tan((B-C)/(2))tan.(A)/(2),y=tan((C-A)/(2))tan.(B)/...

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  20. In Delta ABC, if the sides a,b,c are in geometric progression and the ...

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