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In Delta ABC, (a + b+ c) (b + c -a) = kb...

In `Delta ABC, (a + b+ c) (b + c -a) = kbc` if

A

`k lt 0`

B

`k gt 0`

C

`0 lt k lt 4`

D

`k gt 4`

Text Solution

Verified by Experts

The correct Answer is:
C
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ML KHANNA-PROPERTIES OF TRIANGLES -Problem Set (2)(MULTIPLE CHOICE QUESTIONS)
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  12. In Delta ABC, (a + b+ c) (b + c -a) = kbc if

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  13. In a triangle ABC, 2ac sin((A-B+C)/2) =

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  14. In a A B C , prove that: (b^2-c^2)cotA+(c^2-a^2)cot B+(a^2-b^2)cotC=0

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  15. In any DeltaABC, prove that ((b^(2)-c^(2)))/a^(2)"sin 2a"+((c^(2)-a^(2...

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  16. The sides of a triangle ABC are 6 , 7 , 8 and the smallest angle being...

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  19. In a triangle cot A:cot B:cot C = 30:19:16 " then " a:b:c

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