Home
Class 9
MATHS
Fill in the blank In a triangle ABC, i...

Fill in the blank
In a triangle ABC, if `BC = AB and angle C = 80^(@),` then `angle B =` ............

Text Solution

Verified by Experts

The correct Answer is:
`20^(@)`
Promotional Banner

Topper's Solved these Questions

  • TRIANGLES

    SWAN PUBLICATION|Exercise EXERCISE 7.5|4 Videos

  • SURFACE AREAS AND VOLUMES

    SWAN PUBLICATION|Exercise Objective Type Questions (Fill in the Blanks ) |7 Videos

Similar Questions

Explore conceptually related problems

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

In triangle ABC, if sin Asin B=(ab)/c^2 , then the triangle is :

The angle of triangle A, B, C are in AP and C=3A . Find angle B

Which is the longest side in the triangle ABC, right-angled at B?

Construct a triangle ABC in which BC = 7cm, angle B = 75^@ and AB + AC = 13 cm .

SWAN PUBLICATION-TRIANGLES -OBJECTIVE TYPE QUESTIONS
  1. State whether the statement are true (T) or false (F): Zero is a rat...

    Text Solution

    |

  2. If .... And the included angle of one triangle are equal to two sides ...

    Text Solution

    |

  3. State whether the statement are true (T) or false (F): Zero is a rat...

    Text Solution

    |

  4. The sides opposite to two equal angles of a triangle are :

    Text Solution

    |

  5. The sides opposite to two equal angles of a triangle are :

    Text Solution

    |

  6. Two right triangles are congruent if hypotenuse and one side of first...

    Text Solution

    |

  7. The measure of each angle of an equilateral triangle is :

    Text Solution

    |

  8. State whether the statement are true (T) or false (F): In a triangle...

    Text Solution

    |

  9. In a triangle, the angle opposite to the longer side is :

    Text Solution

    |

  10. Sum of any two sides of a triangle is greater than the third side.

    Text Solution

    |

  11. If three angles of one triangle are equal to corresponding three angle...

    Text Solution

    |

  12. Fill in the blank If in two triangles AB = QR, angle A = angle Q, an...

    Text Solution

    |

  13. If M is the mid point of hypotenuse AC of rt. DeltaABC then BM = 1/2.....

    Text Solution

    |

  14. If in two triangles trianglePQR and triangleDEF, PR=EF, QR=DE,PQ=FD, t...

    Text Solution

    |

  15. The sides opposite to two equal angles of a triangle are :

    Text Solution

    |

  16. Fill in the blank Each angle of an equilateral triangle is ...........

    Text Solution

    |

  17. Fill in the blank In a triangle ABC, if BC = AB and angle C = 80^(@)...

    Text Solution

    |

  18. Fill in the blank In a triangle PQR, if angle P = angle R then PQ = ...

    Text Solution

    |

  19. Fill in the blank In a right triangle the hypotenuse is ..............

    Text Solution

    |

  20. If two sides of a triangle are unequal, then the larger side has the ....

    Text Solution

    |