Home
Class 9
MATHS
The area of two similar triangles ABC an...

The area of two similar triangles ABC and PQR are `25 cm^2, 49cm^2`. If QR = 9.8 cm, then BC is

A

9.0 cm

B

7 cm

C

49 cm

D

41 cm

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • AREA OF PARALLELOGRAMS AND TRIANGLES

    MODERN PUBLICATION|Exercise EXERCISE|83 Videos
  • CIRCLES

    MODERN PUBLICATION|Exercise EXERCISE|94 Videos

Similar Questions

Explore conceptually related problems

The area of a triangle with base 4 cm and height 6 cm is 24 cm^2 .

In a right triangle ABC , angleB = 90^@ . If AC = 17 cm, BC = 8 cm,find AB.

In a right triangle ABC, angle B = 90^@ : If AC = 13 cm, BC = 5 cm, find AB

Find the area of a triangle whose sides are 9 cm, 12 cm and 15 cm.

Find the area of a quadrilateral ABCD whose sides AB,BC, CD and DA are 9 cm, 40 cm, 28 cm and 15 cm respectivelyand the angle between the firswt two sides is a right angle.

In a right triangle ABC, angle B = 90^@ : If AB = 6 cm, BC = 8 cm, find AC

The area of the equilateral triangle is 20 sqrt3 cm^2 whose each side is 8 cm.

In a right triangle ABC , angleB = 90^@ . If AB = 3 cm,BC = 4 cm,find AC.

Construct a triangle ABC, given that AB = 5 cm, BC = 6 cm and AC = 7 cm

MODERN PUBLICATION-AREA OF PARALLELOGRAMS AND TRIANGLES-EXERCISE
  1. In a ||gm ABCD, if P and Q are mid-points of AB and CD respectively an...

    Text Solution

    |

  2. The median of a triangle divides it into two

    Text Solution

    |

  3. The mid-point of the sides of a triangle along with any of the vertice...

    Text Solution

    |

  4. Two parallelograms are on equal bases andbetween the same parallels. T...

    Text Solution

    |

  5. ABCD is a quadrilateral whose diagonal AC divides it into two parts, e...

    Text Solution

    |

  6. If a triangle and a parallelogram are on the same base and between sam...

    Text Solution

    |

  7. triangleABC~ trianglePQR. If ar(ABC) = 2.25 m^2. ar(PQR) = 6.25m^2,PQ ...

    Text Solution

    |

  8. If triangleABC~triangleDEF, BC = 4 cm, EF = 5 cm and ar(triangleABC) =...

    Text Solution

    |

  9. The area of two similar triangles ABC and PQR are 25 cm^2, 49cm^2. If ...

    Text Solution

    |

  10. What is the area of an equilateral triangle whose sides is 'a'?

    Text Solution

    |

  11. Tick the correct answer and justify : Sides of two similar triangles a...

    Text Solution

    |

  12. In the figure, find the area of ||gm.

    Text Solution

    |

  13. Two parallelograms are on equal bases andbetween the same parallels. T...

    Text Solution

    |

  14. In figure. D and E are the mid-points o sides. AB, AC respectively ...

    Text Solution

    |

  15. ABCD is a trapezium in which AB||DC, DC = 30 cm and AB = 50 cm. If X a...

    Text Solution

    |

  16. AP||BQ||CR. Prove that ar(AQC) = ar(PBR)

    Text Solution

    |

  17. ABCD is parallelogram. X and Y are the mid-points of BC and CD respect...

    Text Solution

    |

  18. If the medians of a triangleABC intersect at G, show that ar(AGB) = ar...

    Text Solution

    |

  19. PQRS is a ||gm. L is any point on PS and M is any point on QR. Show th...

    Text Solution

    |

  20. PQRS is a ||gm. L is any point on PS and M is any point on QR. Show th...

    Text Solution

    |