Home
Class 7
MATHS
In A B C ,/A=100^0 ,A D\ b i s e c t s\...

In ` A B C ,/_A=100^0` ,`A D\ b i s e c t s\ /_A\ a n d\ A D_|_B Cdotfin d\ /_Bdot`

A

`80^@`

B

`20^@`

C

`40^@`

D

`30^@`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TRIANGLES

    NCERT EXEMPLAR|Exercise EXERCISE FILL IN THE BLANKS |2 Videos

  • TRIANGLES

    NCERT EXEMPLAR|Exercise EXERCISE TRUE OR FALSE|69 Videos

  • TRIANGLES

    NCERT EXEMPLAR|Exercise THINK AND DISCUSS|4 Videos

  • SIMPLE EQUATIONS

    NCERT EXEMPLAR|Exercise Thick and Discuss |6 Videos

Similar Questions

Explore conceptually related problems

In A B C , if /_A=100^0, A D bisects /_A a n d /_A D _|_B C . Then, /_= 50^0 (b) 90^0 (c) 40^0 (d) 100^0

In ABC,/_A=100^(@)AD bisects /_A and AD perp BCdot f in d/_B

In A B C , /_B=60^0,/_C=40^0, A L_|_B C a n d A D bisects /_A such that L and D lie on side B Cdot Find /_L A Ddot

In Fig.81, side B C of A B C has been produced to D and C E B Adot If /_A B C=65^0,\ /_B A C=55^0, find /_A C E ,\ /_E C D\ a n d\ /_A C Ddot

In Fig. 71, if A B C D\ a n d\ C D E F ,\ find \ /_A C E

A B C D is a cyclic quadrilateral in which: B C A D ,\ /_A D C=110^0\ a n d\ /_B A C=50^0dot Find /_D A C /_D B C=80^0\ a n d\ /_B A C=40^0dot Find /_B C D /_B C D=100^0a n d\ /_A B D=70^0 find /_A D B

In a parallelogram A B C D , the diagonals bisect each other at Odot If /_A B C=30^0,\ /_B D C=10^0a n d\ /_C A B=70^0, Find: /_D A B ,\ /_A D C ,\ /_B C D ,\ /_A O D ,\ /_D O C ,\ /_B O C ,\ /_A O B ,\ /_A C D ,\ /_C A B ,\ /_A D B

In quadrilateral A B C D show in Figure. A B D C a n d A D_|_A Bdot Also, A B=8m , D C=B C=5mdot Find the area of the quadrilateral.

In a quadrilateral A B C D ,\ /_A+/_C is 2 times /_B+/_Ddot If /_A=140^0\ a n d\ /_D=60^0, then /_B= 60^0 (b) 80^0 (c) 120^0 (d) None of these

In Figure, /_A O B=90^0,\ A C=B C ,\ O A=12\ c m\ a n d\ O C=6. 5 c mdot Find the area of A O Bdot

NCERT EXEMPLAR-TRIANGLES-EXERCISE CHOOSE THE CORRECT ONE
  1. If the exterior angle of a triangle is 130° and its interior opposite...

    Text Solution

    |

  2. If one of the angles of a triangle is 110°, then the angle between the...

    Text Solution

    |

  3. In ∆ABC, AD is the bisector of ∠A meeting BC at D, CF ⊥ AB and E is th...

    Text Solution

    |

  4. In ∆PQR, if ∠ P = 60°, and ∠ Q = 40°, then the exterior angle formed b...

    Text Solution

    |

  5. Which of the following triplets cannot be the angles of a triangle?

    Text Solution

    |

  6. Which of the following can be the length of the third side of a triang...

    Text Solution

    |

  7. How many altitudes does a triangle have?

    Text Solution

    |

  8. If we join a vertex to a point on opposite side which divides that sid...

    Text Solution

    |

  9. The measures of angle x and angle y in Fig.6.14 are respectively

    Text Solution

    |

  10. If length of two sides of a triangle are 6 cm and 10 cm, then the leng...

    Text Solution

    |

  11. In a right-angled triangle ABC, if angle B = 90°, BC = 3 cm and AC = 5...

    Text Solution

    |

  12. In a right-angled triangle ABC, if angle B = 90°, then which of the f...

    Text Solution

    |

  13. Which of the following figures will have it’s altitude outside the tri...

    Text Solution

    |

  14. In Fig.6.16 IF AB||CD, then

    Text Solution

    |

  15. In A B C ,/A=100^0 ,A D\ b i s e c t s\ /A\ a n d\ A D|B Cdotfin d\ /...

    Text Solution

    |

  16. In ∆ABC, ∠Α = 50°, ∠B = 70° and bisector of ∠C meets AB in D (Fig. 6....

    Text Solution

    |

  17. If for ∆ABC and ∆DEF, the correspondence CAB ↔ EDF gives a congruence,...

    Text Solution

    |

  18. By which congruency criterion, the two triangles in Figure are congrue...

    Text Solution

    |

  19. If ∆PQR is congruent to ∆STU (Fig. 6.20), then what is the length of T...

    Text Solution

    |

  20. If ∆ABC and ∆DBC are on the same base BC, AB = DC and AC = DB, then w...

    Text Solution

    |