Home
Class 14
MATHS
Three angles of a quadrilateral are 80^...

Three angles of a quadrilateral are `80^(@), 95^(@) and 112^(@)`. Its fourth angle is

A

`78^@`

B

`73^@`

C

`85^@`

D

`100^@`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GEOMETRY

    ARIHANT SSC|Exercise INTRODUCTORY EXERCISE - 12.1|45 Videos

  • GEOMETRY

    ARIHANT SSC|Exercise INTRODUCTORY EXERCISE - 12.2|100 Videos

  • GEOMETRY

    ARIHANT SSC|Exercise EXERCISE(LEVEL 2)|52 Videos

  • FUNDAMENTALS

    ARIHANT SSC|Exercise TEST OF YOU - LEARNING - 2|40 Videos

  • HCF AND LCM

    ARIHANT SSC|Exercise Exercise Higher Skill Level Questions|18 Videos

Similar Questions

Explore conceptually related problems

The three angles of a quadrilateral are 80^(@),70^(@)and120^(@) . The fourth angle is

Three angles of a quadrilateral are 75^(@),90^(@) and 75^(@) , then the fourth angle is

The 3 angles of a quadrilateral are 110^(@),120^(@) and 40^(@) The fourth angle is

Three angles of a quadrilateral are 54^(@), 80^(@) and 116^(@) . Find the measure of the fourth angle.

Assertion (A) : If three angles of a quadrilateral are 130^@,70^@ and 60^@ then the fourth angle is 100^@ Reason(R) : The sum of all the angle of a quadrilateral is 360^@ The correct answer is : (a) /(b)/(c )/(d).

The three angles of a quadrilateral are 76^(@), 54^(@) and 108^(@) . Find the measure of the fourth angle.

Three angles of a quadrilateral are 75^(@), 90^(@) and 75^(@) . Find the measure of the fourth angle.

Three angles of a quadrilateral are 50°, 40° and 123°. Find its fourth angle.

ARIHANT SSC-GEOMETRY-Fast Track Practice
  1. In the figure given below, AB is parallel to CD, angle ABC = 65^@, ang...

    Text Solution

    |

  2. In a quadrilateral ABCD, it is given that BD = 16 cm. If AL perpendicu...

    Text Solution

    |

  3. Three angles of a quadrilateral are 80^(@), 95^(@) and 112^(@). Its f...

    Text Solution

    |

  4. In the given figure, ABCD is a parallelogram in which angle BAD = 75^@...

    Text Solution

    |

  5. If one angle of a parallelogram is 24^@ less than twice the smallest ...

    Text Solution

    |

  6. In an n-sided regular polygon, each exterior angle is 72^(@). Find the...

    Text Solution

    |

  7. The ratio of the numbers of sides of two regular polygons is 1:2. If e...

    Text Solution

    |

  8. If difference between exterior and interior angles of a polygon is 60^...

    Text Solution

    |

  9. In the quadrilateral ABCD shown below, angleDAB = angle DCX = 120^@. I...

    Text Solution

    |

  10. If the diagonals of a quadrilateral are equal and bisect each other at...

    Text Solution

    |

  11. In the figure below, PQRS is a parallelogram. AP, AQ, CR and CS are bi...

    Text Solution

    |

  12. In the figure given above, ABCD is a trepezium. EF is parallel to AD a...

    Text Solution

    |

  13. A quadrilateral ABCD is inscribed in a circle. If AB is parallel to CD...

    Text Solution

    |

  14. Let ABCD be a parallelogram. Let m and n be positive integers such tha...

    Text Solution

    |

  15. If ABCD be a rectangle and P, Q, R, S be the mid-points of AB, BC, CD ...

    Text Solution

    |

  16. Let X be any point within a square ABCD. On AX, a square, AXYZ is desc...

    Text Solution

    |

  17. ABCD is a quadrilateral such that BC = BA and CD gt AD. Which one of ...

    Text Solution

    |

  18. Two light rods AB = a + b and CD = a -b symmetrically lying on a horiz...

    Text Solution

    |

  19. AB is diametr of the circle with centre at O and P is any point on th...

    Text Solution

    |

  20. Two circles of same radius 5 cm, intersect each other at A and B. If A...

    Text Solution

    |