Home
Class 9
MATHS
The angles of a quadrilateral are in the...

The angles of a quadrilateral are in the ratio `3:5:9: 13.` Find all the angles of the quadrilateral.

Text Solution

Verified by Experts

`/_A=3x`
`/_B=5x`
`/_C=9x`
`/_D=13x`
`/_A+/_B+/_C+/_D=360^@`
`3x+5x+9x+13x=360`
`30x=360`
`x=12^@`
...
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    RD SHARMA ENGLISH|Exercise All Questions|67 Videos

  • RATIONALISATION

    RD SHARMA ENGLISH|Exercise All Questions|130 Videos

Similar Questions

Explore conceptually related problems

The angles of a quadrilateral are in the ratio 3:4:5:6. Find all its angles.

The angle of a quadrilateral are in the ratio 3:4:5:6. Find all its angles.

The angles of a quadrilateral are in the ratio 3: 4: 5: 6 . Show that the quadrilateral is a trapezium.

If the angles of a quadrilateral are in the ratio 3:5:9:13, then find the measure of smallest angle.

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

Three angles of a quadrilateral are in the ratio 4:6:3. If the fourth angle is 100^@ , find the ther three angles of the quadrilateral.

Three angles of a quadrilateral are in the ratio 4:6:3. If the fourth angle is 100^(@) find the three angles of the quadrilateral.

The angles of a quadrilateral are in the ratio 4:3:6:5. Show that it is a trapezium.

All the angles of a quadrilateral are equal to each other. Find the measure of each. Is the quadrilateral a parallelogram? What special type of parallelogram is it?

The angles of a triangle are in the ratio 3:5:4 . Find the measure of each of the angles.

RD SHARMA ENGLISH-QUADRILATERALS-All Questions
  1. In a quadrilateral A B C D ,A O andB O are the bisectors of A/ and /B ...

    Text Solution

    |

  2. The angle of quadrilateral are respectively 100^0,98^0,92^0dot Find th...

    Text Solution

    |

  3. The angles of a quadrilateral are in the ratio 3:5:9: 13. Find all the...

    Text Solution

    |

  4. A diagonal of parallelogram divides it into two congruent triangles.

    Text Solution

    |

  5. In Figure, bisectors of /B and /D of quadrilateral A B C D meet C D...

    Text Solution

    |

  6. In a quadrilateral A B C D ,\ C O\ a n d\ D O are the bisectors of /C\...

    Text Solution

    |

  7. Let A B C be an isosceles triangle with A B=A C and let D ,\ E ,\ F ...

    Text Solution

    |

  8. ABC is a triangle right angled at C. A line through the mid-point M ...

    Text Solution

    |

  9. The line drawn through the mid-point of one side of a triangle, par...

    Text Solution

    |

  10. In Figure, D ,E and F are, respectively the mid-points of sides B C ,C...

    Text Solution

    |

  11. In DeltaA B C , D, E and F are respectively the mid-points of sides...

    Text Solution

    |

  12. l, m and n are three parallel lines intersected by transversals p an...

    Text Solution

    |

  13. A B C D is a square E ,\ F ,\ G\ a n d\ H are points on A B ,\ B C ,\ ...

    Text Solution

    |

  14. A B C D is a rhombus, E A B F is a straight line such that E A=A B=B F...

    Text Solution

    |

  15. A B C D is a parallelogram. A D is a produced to E so that D E=D C and...

    Text Solution

    |

  16. The line segment joining the mid-points of any two sides of a triangle...

    Text Solution

    |

  17. In a quadrilateral ABCD, CO and DO are the bisectors of /C and /D ...

    Text Solution

    |

  18. The angle of a quadrilateral are respectively 100^0,\ 98^0,\ 92^0dot F...

    Text Solution

    |

  19. In a quadrilateral A B C D , the angles A ,\ B ,\ C\ a n d\ D are in t...

    Text Solution

    |

  20. The sides B A and D C of a quadrilateral A B C D are produced as shown...

    Text Solution

    |