Home
Class 12
MATHS
In DeltaABC if /C=90^@ then R+r=...

In `DeltaABC` if `/_C=90^@` then `R+r=`

A

(10,10)

B

`(10,10sqrt(3))`

C

`(5,5sqrt(3))`

D

`(8,8sqrt(3))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS - PART-B: MASTERING THE BEST|27 Videos

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MASTERING THE BEST - ALL TOPICS|128 Videos

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS - PART - A : BUILDING-UP THE BASE (B) Properties of triangles|27 Videos

  • THREE DIMENSIONAL GEOMETRY

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|39 Videos

  • VECTORS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|20 Videos

Similar Questions

Explore conceptually related problems

In Delta ABC if /_C=90^(@) then R+r=

In Delta ABC, if C=90^(@), then R+r=

In any DeltaABC , prov "If in a "DeltaABC, /_C=90^(@)," then prove that sin"(A-B)=((a^(2)-b^(2)))/((a^(2)+b^(2)))

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

In DeltaABC , if 2R+r=r_(2) then angleB=

If in DeltaABC, A =90^(@) and c, sin B and cos B are rational number, then

MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MULTIPLE CHOICE QUESTIONS - PART - B : MASTERING THE BEST
  1. If sides a,b,c of Delta ABC are in A.P., then : sin (A/2) cdot sin (C...

    Text Solution

    |

  2. If, in a Delta ABC, a = 6cm , b = 8 cm, c = 10cm, then : sin 2A =

    Text Solution

    |

  3. In DeltaABC if /C=90^@ then R+r=

    Text Solution

    |

  4. In Delta ABC, (cos((B-C)/2))/(cos (A/2))=

    Text Solution

    |

  5. In DeltaABC, if sin A sin B=(ab)/(c^(2)), then the triangle is

    Text Solution

    |

  6. If : a = 9, b = 8 and c = x satisfies 3 cos C = 2, then : x =

    Text Solution

    |

  7. If in a Delta ABC, b =sqrt3, c=1 and B-C =90^(@), then angle A is

    Text Solution

    |

  8. In Delta ABC, if : a = 2 cm , b = 3cm and c = 4cm, then /A =

    Text Solution

    |

  9. If : a = 2, b = 3, c = 5 in Delta ABC, then : /C=

    Text Solution

    |

  10. If one side of a triangle is double the other, and the angles on oppos...

    Text Solution

    |

  11. In a triangle ABC, if (cos A)/(a) =(cos B)/(b ) =(cos C)/(c) and the ...

    Text Solution

    |

  12. In a A B C ,if=2,/B=60^0a n d/C=75^0 , then b= sqrt(3) (b) sqrt(6) ...

    Text Solution

    |

  13. In triangleABC, If A= 30^(@), b=8, a=6 where B = sin^(-1)x, then: x=

    Text Solution

    |

  14. In Delta ABC, if : sin(A/2) .sin (C/2) = sin (B/2) then : semiperimete...

    Text Solution

    |

  15. In Delta ABC, if : a = 2, b = 3 and sin A = 2//3, then : /B =

    Text Solution

    |

  16. In Delta ABC, if : a = 5, b = 4, A = pi/2 + B, then : /C =

    Text Solution

    |

  17. In Delta ABC, if : A = 30^(@), C = 60^(@), a =sqrt(2) then b and c

    Text Solution

    |

  18. If, in a Delta ABC, angle C is 45^(@) then : (1 + cot A) (1 + cot B)...

    Text Solution

    |

  19. If DeltaABC is a right angled at C, then tan A + tan B is equal to

    Text Solution

    |

  20. If a = 7, b = 4sqrt(3) and c = sqrt(13), then the smallest angle of De...

    Text Solution

    |