Home
Class 9
MATHS
ABCD is a square, diagonals AC and BD me...

ABCD is a square, diagonals AC and BD meet at O. The number of pairs of congruent triangles with vertex O are . . . . . . .

A

3

B

8

C

4

D

12

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • GEOMETRY

    FULL MARKS|Exercise Prograss check (Answer the following question|7 Videos

  • GEOMETRY

    FULL MARKS|Exercise Prograss check|13 Videos

  • GEOMETRY

    FULL MARKS|Exercise Exercise 4.6|7 Videos

  • COORDINATE GEOMETRY

    FULL MARKS|Exercise TEXTBOOK ACTIVITY|2 Videos

  • MENSURATION

    FULL MARKS|Exercise Assignment (II. Answer the following questions)|8 Videos

Similar Questions

Explore conceptually related problems

ABCD is a rectangle whose diagonals AC and BD intersect at O. If angleOAB= 46^(@) , find angleOBC .

Show that the diagonals of a rhombus divide it four congruent triangles.

ABCD is a rectangle AC is diagonal. Find the nature of DeltaACD . Give reasons.

Consider the given pairs of triangles and say whether each pair is that of congruent triangles. If the triangles are congruent, say 'how', if they are not congruent say 'why' and also say if a small modification would them congruent :

Diagonal of which of the following quadrilaterals do not bisect it two congruent triangles ?

What type of quadrilateral is formed when the following pairs of congruent triangles are joined together ? (i) Equilateral triangle . (ii) Right angled triangle. (iii) Isosceles triangle.

ABCD is trapezium with AB || DC. The diagonal AC and BD intersect at E . If Delta AED ~ Delta BEC . Prove that AD = BC .

In a quadrilateral ABCD, it is given that AB |\|CD and the diagonals AC and BD are perpendicular to each other. Show that AD.BC >= AB. CD .

FULL MARKS-GEOMETRY-Exercise 4.7 (I. Multiple Choice Questions)
  1. The exterior angle of a triangle is equal to the sum of two

    Text Solution

    |

  2. In the quadrilateral ABCD, AB=BC and AD=DC Measure of angleBCD is . . ...

    Text Solution

    |

  3. ABCD is a square, diagonals AC and BD meet at O. The number of pairs o...

    Text Solution

    |

  4. In the given figure CE || DB then value of x^(@) is . . . . . . . . .

    Text Solution

    |

  5. The correct statement out of the following is . . . . . . . . .

    Text Solution

    |

  6. If the diagonal of a rhombus are equal, then the rhombus is a

    Text Solution

    |

  7. If bisectors of angleA and angleB of a quadrilateral ABCD meet at O, t...

    Text Solution

    |

  8. The interior angle made by the side in a parallelogram is 90^(@) then ...

    Text Solution

    |

  9. Which of the following statement is correct?

    Text Solution

    |

  10. The angles of the triangles are 3x-40, x+20 and 2x-10 then the value o...

    Text Solution

    |

  11. PQ and RS are two equal chords of a circle with centre O such that ang...

    Text Solution

    |

  12. A chord is at distance of 15 cm from the centre of the circle of radiu...

    Text Solution

    |

  13. In the figure, O is the centre of the circle and angleACB=40^(@) then ...

    Text Solution

    |

  14. In a cyclic quadrilaterals ABCD, angleA=4x,angleC=2x the value of x is...

    Text Solution

    |

  15. In the figure, O is the centre of a circle and diameter AB bisects the...

    Text Solution

    |

  16. In the figure, PQRS and PTVS are two cyclic quadrilaterals, If angleQR...

    Text Solution

    |

  17. If one angle of a cyclic quadrilateral is 75^(@), then the opposite an...

    Text Solution

    |

  18. In the figure, ABCD is a cyclic quadrilateral in which DC produced to ...

    Text Solution

    |

  19. AD is a diameter of a circle and AB is a chord. If AD= 30 cm and AB = ...

    Text Solution

    |

  20. In the given figure, If OP= 17 cm PQ= 30 cm and OS is perpendicular to...

    Text Solution

    |