Home
Class 14
MATHS
In a DeltaABC, angleBAC gt 90^(@), then ...

In a `DeltaABC, angleBAC gt 90^(@)`, then `angleABC` and `angleACB` must be :

A

acute

B

obtuse

C

one acute and one obtuse

D

can't be determined

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • GEOMETRY

    ARIHANT SSC|Exercise INTRODUCTORY EXERCISE - 12.3|28 Videos

  • GEOMETRY

    ARIHANT SSC|Exercise INTRODUCTORY EXERCISE - 12.4|10 Videos

  • GEOMETRY

    ARIHANT SSC|Exercise INTRODUCTORY EXERCISE - 12.1|45 Videos

  • FUNDAMENTALS

    ARIHANT SSC|Exercise TEST OF YOU - LEARNING - 2|40 Videos

  • HCF AND LCM

    ARIHANT SSC|Exercise Exercise Higher Skill Level Questions|18 Videos

Similar Questions

Explore conceptually related problems

In DeltaABC , if angleC gt angleB , then

In DeltaABC, AC=BC and angleBAC=50^(@). Find angleBCA .

In DeltaABC, AB+BC gt

In the triangle ABC , angleBAC=50^@ and the bisectors of angleABC and angleACB meets at P what is the value of angleBPC ?

In a DeltaABC , if B=90^(@) , then tan^(2).(A)/(2) =

O is circumcentre of DeltaABC if angleBAC=85^(@) angleBCA=80^(@) find angleOAC .

In DeltaABC,angleBAC=120^(@) and AB = AC, then find measure of angleABC .

In DeltaABC if /_BAC=90^(@) and AB=AC , then /_ABC is

In DeltaABC, angleB=35^(@), angleC=65^(@) and the bisector of angleBAC meets BC in X. Arrange AX, BX and CX in descending order.

ARIHANT SSC-GEOMETRY-INTRODUCTORY EXERCISE - 12.2
  1. If the sides of a triangle are produced then the sum of the exterior a...

    Text Solution

    |

  2. In the given figure BC is produced to D and angleBAC=40^(@) and angle ...

    Text Solution

    |

  3. In a DeltaABC, angleBAC gt 90^(@), then angleABC and angleACB must be ...

    Text Solution

    |

  4. If the angles of a triangle are in the ratio 1:4:7, then the value of ...

    Text Solution

    |

  5. In the following figure angleB=70^(@) and angleC=30^(@). BO and CO are...

    Text Solution

    |

  6. In the given diagram of DeltaABC, angleB=80^(@), angleC=30^(@) BF and ...

    Text Solution

    |

  7. In an equilateral triangle, the incentre, circumcentre, orthocentre an...

    Text Solution

    |

  8. In the adjoining figure D is the midpoint of BC of a DeltaABC, DM and ...

    Text Solution

    |

  9. In the adjoning figure of DeltaABC, AD is the perpendicular bisector o...

    Text Solution

    |

  10. Triangle ABC is such that AB=9 cm, BC = 6cm, AC = 7.5 cm. Triangle DE...

    Text Solution

    |

  11. In DeltaABC, AB=5cm, AC=7cm. If AD is the angle bisector of angleA The...

    Text Solution

    |

  12. In a DeltaABC, D is the mid - point of BC and E is mid - point of AD, ...

    Text Solution

    |

  13. In a DeltaABC, AB=AC and AD|BC, then:

    Text Solution

    |

  14. The difference between altitude and base of a right angled triangle is...

    Text Solution

    |

  15. If AB, BC and AC be the three sides of a triangle ABC, then which one ...

    Text Solution

    |

  16. In the triangle ABC, side BC is produced to D. angleACD=100^(@) if BC ...

    Text Solution

    |

  17. In the adjoining figure D, E and F are the mid - points of the sides B...

    Text Solution

    |

  18. In the adjoining figure angleBAC=60^(@) and BC = a, AC = b and AB = c,...

    Text Solution

    |

  19. In the adjoining figure of DeltaABC, angleBCA=120^(@) and AB = c, BC =...

    Text Solution

    |

  20. In a right angled DeltaABC, angleC=90^(@) and CD is the perpendicular ...

    Text Solution

    |