Home
Class 10
MATHS
In the given figure, DE || BC, DE= 3 cm,...

In the given figure, DE || BC, DE= 3 cm, BC = 9 cm and ar (DADE) = `30cm^2`. Find ar (BCED).

Promotional Banner

Topper's Solved these Questions

  • TRIANGLE

    CBSE COMPLEMENTARY MATERIAL|Exercise Short Answer Type Questions-I|10 Videos

  • SURFACE AREA AND VOLUME

    CBSE COMPLEMENTARY MATERIAL|Exercise PRACTICE TEST ( SECTION-D)|1 Videos

Similar Questions

Explore conceptually related problems

In the given figure, DE||BC . If DE=3 cm, BC=6 and ar (Delta ADE)=15 cm^(2) , find the area of Delta ABC .

In the given figure, DE||BC . If DE=5 cm, BC=8 cm and AD=3.5 cm then AB=?

In the given figure, DE|||BC,AD=2cm, BD=2.5 cm, AE= 3.2cm and DE=4 cm . Find AC and BC.

In the figure, if DE || BC, AD = 3 cm, BD = 4 cm, and BC = 14 cm, then DE equals :

In the given figure, AD = 2cm, BD = 3 cm, AE = 3.5 cm and AC = 7 cm. Is DE parallel to BC ?

In figure, DE || BC. IF DE = 3 cm, BC = 6 cm and area of Delta ADE = 15 sq. cm, then the area of Delta ABC is

In the given figure, DE abs() BC. If AB = 12 cm and AD = 3cm, then AE : EC =

In the figure, if DE || BC, AD = 3cm, BD = 4cm and BC= 14 cm, then DE equals

CBSE COMPLEMENTARY MATERIAL-TRIANGLE-Short Answer Type Questions-II
  1. In the given figure, DE || AC. Which of the following is correct? x=(...

    Text Solution

    |

  2. Prove that the sum of the squares of the sides of a rhombus is equa...

    Text Solution

    |

  3. A street light bulb is fixed on a pole 6 m above the level of the stre...

    Text Solution

    |

  4. Two poles of height a metres and b metres are p metres apart. Prove th...

    Text Solution

    |

  5. In the given figure AB || PQ || CD, AB=x, CD=y and PQ=z. Prove that 1/...

    Text Solution

    |

  6. In the given figure (PS)/(SQ)=(PT)/(TR) and anglePST = anglePRQ. Prove...

    Text Solution

    |

  7. In the figure, a point O inside triangleABC is joined to its vertices....

    Text Solution

    |

  8. Two triangles B A Ca n dB D C , right angled at Aa n dD respectively, ...

    Text Solution

    |

  9. The Hypotenuse of a right triangle is 25 cm and out of the remaining t...

    Text Solution

    |

  10. In the given figure DE || AC and (BE)/(EC)=(BC)/(CP). Prove that DC |...

    Text Solution

    |

  11. In a quadrilateral ABCD, angleB=90^(@) and AD^(2)= AB^(2) + BC^(2)+CD^...

    Text Solution

    |

  12. In the given figure, DE || BC, DE= 3 cm, BC = 9 cm and ar (DADE) = 30c...

    Text Solution

    |

  13. In an equilateral triangle ABC, D is a point on side BC such that B D=...

    Text Solution

    |

  14. Ii DeltaPQR, PDbotQR such that D lies on QR, if PQ=a,PR=b,QD=c and DR=...

    Text Solution

    |

  15. The ratio of the the areas of two similar triangles is equal to the ra...

    Text Solution

    |

  16. In the given figure, the line segment XY is Parallel to AC of ΔABC and...

    Text Solution

    |

  17. Through the vertex D of a parallelogram ABCD, a line is drawn to inter...

    Text Solution

    |

  18. Theorem 6.9 : In a triangle, if square of one side is equal to the sum...

    Text Solution

    |

  19. Prove that is a right angle triangle, the square of the hypotenuse is ...

    Text Solution

    |

  20. Theorem 6.1 : If a line is drawn parallel to one side of a triangle to...

    Text Solution

    |