Home
Class 12
MATHS
In DeltaABC," if " angleC=90^(@)," then ...

In `DeltaABC," if " angleC=90^(@)," then " (a+c)/(b)+(b+c)/(a)` is equal to :

A

`a/r`

B

`b/r`

C

`c/r`

D

`s/r`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    ML KHANNA|Exercise Problem Set (4)(TRUE AND FALSE)|9 Videos
  • PROPERTIES OF TRIANGLES

    ML KHANNA|Exercise Problem Set (4)(FILL IN THE BLANKS)|3 Videos
  • PROPERTIES OF TRIANGLES

    ML KHANNA|Exercise Problem Set (3)(FILL IN THE BLANKS)|2 Videos
  • PROGRESSIONS

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (ASSERTION/REASON) |1 Videos
  • RECTANGULAR CARTESIAN CO-ORDINATE SYSTEM AND THE STRAIGHT LINE

    ML KHANNA|Exercise COMPREHENSION |11 Videos

Similar Questions

Explore conceptually related problems

In a DeltaABC,angleC=60^(@) , then (1)/(a+b)+(1)/(b+c) is equal to

In DeltaABC,"if "a=1,b=2,angleC=60^(@),"then "4Delta^(2)+c^(2) =

In a DeltaABC,angleC=(pi)/(3),"then "(3)/(a+b+c)-(1)/(a+c)=

If angleA=90^(@) in the DeltaABC , then tan^(-1)((c)/(a+b))+tan^(-1)((b)/(a+c)) is equal to

In DeltaABC, if 2b =a+ c and A-C=90^(@), then sin B equal All symbols used have usual meaning in Delta ABC.]

If in a triangle ABC, angleC=60^(@) , then (1)/(a+c)+(1)/(b+c)-(3)/(a+b+c) =

In DeltaABC, a=x^(2)-1, b=2x+1, angleC=120^(@) , find c.

In a DeltaABC , if a =2, B = 60°and C =75°, then b=

ML KHANNA-PROPERTIES OF TRIANGLES -Problem Set (4)(MULTIPLE CHOICE QUESTIONS)
  1. The hormonic mean of r1 ,r2, r3 is

    Text Solution

    |

  2. In a triangle if angleC=90^@ " then " R+r=

    Text Solution

    |

  3. In DeltaABC," if " angleC=90^(@)," then " (a+c)/(b)+(b+c)/(a) is equal...

    Text Solution

    |

  4. The in- radius of the triarigle formed by the axes and the line 4x + 3...

    Text Solution

    |

  5. In a triangle ABC , let angleC=(pi)/2. If r is the in-radius and R is ...

    Text Solution

    |

  6. In a triangle ABC right angled at B, the inradius r is equal to

    Text Solution

    |

  7. In an acute angled triangle which one of the following is true

    Text Solution

    |

  8. Two sides of a triangle are 2 and sqrt3 and the included angle is 30^@...

    Text Solution

    |

  9. Two sides of a triangle are the roots of the equation x^2 - 5x +6=0. I...

    Text Solution

    |

  10. In a triangle ABC if r1=R, then

    Text Solution

    |

  11. In a Delta ABC, show that (a cos A+b cos B+ c cos C)/(a+b+c)= (r )/(R...

    Text Solution

    |

  12. Which of the following pieces of data does not uniquely determine an a...

    Text Solution

    |

  13. If twice the square on the diameter of a circle is equal to sum of the...

    Text Solution

    |

  14. (r1-r)(r2+r3)=?

    Text Solution

    |

  15. Show that, 4 R r cos ""A/2cos ""B/2 cos ""C/2 =S

    Text Solution

    |

  16. if cos A+cosB+cosC=1+4sin(A/2).sin(B/2).sin(C/2) then cos A+cosB+co...

    Text Solution

    |

  17. In a !ABC cos^(2)A/2+cos^(2)B/2+cos^(2)C/2=

    Text Solution

    |

  18. r1/(bc)+r2/(ca)+r3/(ab)=

    Text Solution

    |

  19. Three circles whose radii are 2, 3, 4 units and having centres as C1,C...

    Text Solution

    |

  20. If r1, lt r2, lt r3 are the ex-radii of a right angled triangle and r1...

    Text Solution

    |