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In DeltaABC=(b^(2)+c^(2))/(b^(2)-c^(2))=...

In `DeltaABC=(b^(2)+c^(2))/(b^(2)-c^(2))=(Sin(B+C))/(Sin(B-C))` then the triangle is

A

Right-angled

B

isosceles

C

right angled or isosceles

D

Scalene

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The correct Answer is:
A
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AAKASH SERIES-PROPERTIES OF TRIANGLES-PRACTICE SHEET (EXERCISE-I) (LEVEL-II) (Straight- Objective Type Questions)
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  14. In a triangle ABC if cos A.cos B.cos C=(sqrt(3)-1)/(8), sin A sinB sin...

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  15. If sides of a triangles are in the ratio x: y : sqrt( x^(2) +xy + y...

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  16. If two sides of a triangle are the roots of the equation 4x^2-(2sqrt6)...

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  19. In DeltaABC, a^(2)+b^(2)+c^(2)=ac+ab sqrt(3). Then the triangle is

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  20. The lengths of the two larger sides of a triangle are 10 and 9. If the...

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