Home
Class 7
MATHS
In fig. 15 , D , E are points on sides A...

In fig. `15 , D , E` are points on sides AB, AC of ` A B C` such that `D E||B Cdot` if `/_B=30^0\ a n d\ /_A=40^0,` find `x^0, y^0, z^0dot`

Promotional Banner

Topper's Solved these Questions

  • PROFIT AND LOSS

    RD SHARMA|Exercise All Questions|51 Videos
  • RATIO AND PROPORTION

    RD SHARMA|Exercise All Questions|79 Videos

Similar Questions

Explore conceptually related problems

In a DeltaA B C , if b=sqrt(3), c=1 a n d /_A=30^0, then find a

D and E are points on sides AB and AC respectively of DeltaA B C such thata r" "(D B C)" "=" "a r" "(E B C) . Prove that D E" "||" "B C .

In Figure, A B is a diameter of the circle such that /_A=35^0a n d\ /_Q=25^0, find /_P B R

In Fig.84, A B C D\ a n d\ A E C F ;\ /_F C G=90^0\ a n d\ /_B A C=120^0dot Find the values of x , y\ a n d\ zdot

In Figure D\ a n d\ E are two points on B C such that B D=D E=E Cdot Show that a r(\ A B D)=\ a r\ (\ A D E)=a r\ (\ A E C)dot

In ABC, side AB is produced to D so that BD=b* If /_B=60^(0) and /_A=70^(0), prove that :AD>CDAD>AC

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 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

D is a point on the side B C of A B Cdot A line P D Q , though D , meets side A C in P a n d A B produced at Q . If /_A=80^0, /_A B C=60^0 and /_P D C=15^0 find (i) /_A Q D (ii) /_A P Ddot

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

RD SHARMA-PROPERTIES OF TRIANGLES-All Questions
  1. One of the acute angles of a right triangle is 58^0 , find the othe...

    Text Solution

    |

  2. In fig. 14 , A B C is right-angled at C ,\ a n d\ C D|A Bdot also /A=...

    Text Solution

    |

  3. In fig. 15 , D , E are points on sides AB, AC of A B C such that ...

    Text Solution

    |

  4. The fig.16 has been obtained by using two triangles. Find /A+/B+/C+...

    Text Solution

    |

  5. Fig.17 is made up of two triangles. find /D A B+/A B C+/B C D+/C D...

    Text Solution

    |

  6. In five cornered fig. 18,A D , A C are joined. Find /E A B+/B A C+/B C...

    Text Solution

    |

  7. The sides A B and A C of A B C are product to P and Q\ respectively....

    Text Solution

    |

  8. Two angles of a triangle are of measures 105^0\ a n d\ 30^0dot find...

    Text Solution

    |

  9. One of the angles of a triangle is 130^0, and the other two angles ...

    Text Solution

    |

  10. The three angles of a triangle are equal to one another. What is th...

    Text Solution

    |

  11. If the angles of a triangle are in the ratio 1:\ 2:\ 3, determine t...

    Text Solution

    |

  12. The angles of a triangle are (x-40)^0,\ (x-20)^0\ a n d\ (1/2x-10)^...

    Text Solution

    |

  13. The angles of a triangle are arranged in ascending order of magnitu...

    Text Solution

    |

  14. Two angles of a triangle are equal and the third angle is greater t...

    Text Solution

    |

  15. If one angle of a triangle is equal to the sum of the other two, sh...

    Text Solution

    |

  16. If each angle of a triangle is less than the sum of the other two, ...

    Text Solution

    |

  17. In each of the following, the measures of three angles are given. S...

    Text Solution

    |

  18. The angles of a triangle are in the ratio 3:4: 5. Find the smallest...

    Text Solution

    |

  19. Two acute angles of a right triangle are equal. Find the two angles...

    Text Solution

    |

  20. One angle of a triangle is greater than the sun of the other two. W...

    Text Solution

    |