Home
Class 10
MATHS
In DeltaABC, AB=BC=AC then angleA=angleB...

In `DeltaABC`, AB=BC=AC then `angleA=angleB=angleC`=…….

A

`70^@`

B

`60^@`

C

`80^@`

D

`90^@`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SIMILAR TRIANGLES

    VGS PUBLICATION-BRILLIANT|Exercise OBSERVATION BITS TO SOLVE VARIOUS BITS IN THE GIVEN IN THE PUBLIC EXAMINATION|29 Videos
  • SETS

    VGS PUBLICATION-BRILLIANT|Exercise CREATIVE BITS OF CCE MODEL EXAMINATION|116 Videos
  • STATISTICS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|146 Videos

Similar Questions

Explore conceptually related problems

The inverse of "if in a triangle ABC, AB = AC then angleB = angleC " is

In DeltaABC, angleA=30^@ , angleB =40^@ and angleC= 110^@ . In DeltaPQR, angleP =30^@, angleQ= 40^@ and angleR =110^@ . A student says that DeltaABC ~=DeltaPQR by AAA congruence criterion. Is he justified ? Why or why not?

The converse of "if in a triangle ABC, AB = AC then angleB = angle C " is

The contrapositive of "if in a triangle ABC, AB = AC then angleB = angleC " is

DeltaABC~DeltaPQR,angleA+angleB=100^@ , angleR =……..

If in DeltaABC, r_(3)=r_(2)+ r_(2) , then angleA+angleB=

ABCD is trapezium in which AB"||"CD . If AD =BC , show that angleA=angleB and angleC = angleD .

The inverse of "if in a triangle ABC, AB gt AC then angleC gt angleB " is

The converse of "if in a triangle ABC, AB gt AC then angleC gt angleB " is

In the figure angleA=angleB and AD=BE then……….

VGS PUBLICATION-BRILLIANT-SIMILAR TRIANGLES -CREATIVE BITS FOR CCE MODEL EXAMINATION
  1. In the figure, LM////CB and LN////CD then (AM)/(AB)=………

    Text Solution

    |

  2. In a trapezium, diagonals divide each other……….

    Text Solution

    |

  3. In DeltaABC, AB=BC=AC then angleA=angleB=angleC=…….

    Text Solution

    |

  4. In the figure , two triangles are similar then x=…………..cm.

    Text Solution

    |

  5. In the figure, x=…………….cm.

    Text Solution

    |

  6. DeltaABC~DeltaPQR,angleA+angleB=100^@, angleR=……..

    Text Solution

    |

  7. DeltaABC~DeltaDEF and their areas are respectively 64cm^2 and 121cm^2 ...

    Text Solution

    |

  8. Which of the following are the sides of a right triangle?

    Text Solution

    |

  9. From the figure y=………….cm.

    Text Solution

    |

  10. The diagonal of a trapezium ABCD in which AB////CD intersect at'O' . I...

    Text Solution

    |

  11. DeltaABC~DeltaDEF and 2AB=DE and BC=8cm then EF=……..cm.

    Text Solution

    |

  12. DeltaABC~DeltaDEF, BC=4cm, EF=5cm and area of DeltaABC=80cm^2 then are...

    Text Solution

    |

  13. In the figure PQR, angleQPR=90^@, PQ=24cm and QR=26cm and in DeltaPKR,...

    Text Solution

    |

  14. In the figure, QAbotAB and PBbotAB if AO=20cm, BO=12cm, PB=18cm then A...

    Text Solution

    |

  15. In the figure angleA=angleB and AD=BE then……….

    Text Solution

    |

  16. In the figure , in DeltaPQR,QR////ST, (PS)/(SQ)=3/5 and PR=28 cm then ...

    Text Solution

    |

  17. In an equilateral triangle ABC, ADbotBC meeting BC in D then AD^2=…………...

    Text Solution

    |

  18. In the figure , if AB////CD then x=……………..cm.

    Text Solution

    |

  19. IF the diagonals in a quadrilateral divide each other proportionally t...

    Text Solution

    |

  20. D,E,F are midpoints of sides BC,CA,AB of DeltaABC. Find the ratio of a...

    Text Solution

    |