Home
Class 8
MATHS
A quadrilateral has three acute angles. ...

A quadrilateral has three acute angles. If each measures 80°, then the measure of the fourth angle is

A

150°

B

120°

C

105°

D

140°

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • UNDERSTANDING QUADRILATERALS AND PRACTICAL GEOMETRY

    NCERT EXEMPLAR|Exercise APPLICATIONS, GAMES AND PUZZLES|3 Videos

  • UNDERSTANDING QUADRILATERALS AND PRACTICAL GEOMETRY

    NCERT EXEMPLAR|Exercise THINK AND DISCUSS|2 Videos

  • UNDERSTANDING QUADRILATERALS AND PRACTICAL GEOMETRY

    NCERT EXEMPLAR|Exercise THINK AND DISCUSS|2 Videos

  • SQUARE - SQUARE ROOT AND CUBE-CUBE ROOT

    NCERT EXEMPLAR|Exercise Exercise |52 Videos

  • VISUALISING SOLID SHAPES

    NCERT EXEMPLAR|Exercise EXERCISE |91 Videos

Similar Questions

Explore conceptually related problems

A quadrilateral has three acute angles each measures 80^(0). What is the measure of the fourth angle?

A quadrilateral has three acute angles, each measuring 75^(@) . Find the measure of the fourth angle.

A quadrilateral has three acute angles each measuring 70^(@) . The measure of fourth angle is

Three angles of a quadrilateral are equal. Fourth angle is of measure 120°. What is the measure of equal angles?

A quadrilateral has all its four angles of the same measure.What is the measure of each?

Three angles of a quadrilateral are equal. Fourth angle is of measure 150^(@). What is the measure of equal angles.

The measures of the five angles of a hexagon are equal and the sixth angle measures 100^(@) , then the measure of each of the five angles is

In a quadrilateral, the sum of three angles is equal to twice the fourth angle. The measure of the fourth angle is

NCERT EXEMPLAR-UNDERSTANDING QUADRILATERALS AND PRACTICAL GEOMETRY-EXERCISE
  1. The angles of a quadrilateral are in the ratio 1 : 2 : 3 : 4. The smal...

    Text Solution

    |

  2. In the trapezium ABCD, the measure ofangleD is

    Text Solution

    |

  3. A quadrilateral has three acute angles. If each measures 80°, then the...

    Text Solution

    |

  4. The number of sides of a regular polygon where each exterior angle has...

    Text Solution

    |

  5. In a parallelogram PQRS, if angleP = 60°, then other three angles are

    Text Solution

    |

  6. If two adjacent angles of a parallelogram are in the ratio 2 : 3, then...

    Text Solution

    |

  7. If PQRS is a parallelogram, then angleP – angleR is equal to

    Text Solution

    |

  8. The sum of adjacent angles of a parallelogram is

    Text Solution

    |

  9. The angle between the two altitudes of a parallelogram through the sam...

    Text Solution

    |

  10. In the given figure, ABCD and BDCE are parallelograms with common base...

    Text Solution

    |

  11. Length of one of the diagonals of a rectangle whose sides are 10 cm an...

    Text Solution

    |

  12. If the adjacent angles of a parallelogram are equal, then the parallel...

    Text Solution

    |

  13. Which of the following can be four interior angles of a quadrilateral?

    Text Solution

    |

  14. The sum of angles of a concave quadrilateral is

    Text Solution

    |

  15. Which of the following can never be the measure of exterior angle of a...

    Text Solution

    |

  16. In the figure, BEST is a rhombus, Then the value of y – x is

    Text Solution

    |

  17. The closed curve which is also a polygon is

    Text Solution

    |

  18. Which of the following is not true for an exterior angle of a regular ...

    Text Solution

    |

  19. PQRS is a square. PR and SQ intersect at O. Then anglePOQ is a

    Text Solution

    |

  20. Two adjacent angles of a parallelogram are in the ratio 1:5. find all ...

    Text Solution

    |