Home
Class 10
MATHS
A B C is a triangle in which /A=90o,\...

`A B C` is a triangle in which `/_A=90o,\ \ A N_|_B C ,\ \ B C=12 c m` and `A C=5c m` . Find the ratio of the areas of ` A N C` and ` A B Cdot`

Promotional Banner

Topper's Solved these Questions

  • SURFACE AREAS AND VOLUMES

    RD SHARMA|Exercise All Questions|417 Videos
  • TRIGONOMETRIC IDENTITIES

    RD SHARMA|Exercise All Questions|254 Videos

Similar Questions

Explore conceptually related problems

In Figure, /_A O B=90^0,\ A C=B C ,\ O A=12\ c m\ a n d\ O C=6. 5 c mdot Find the area of A O Bdot

In Fig. 15.98, A B C is a right angled triangle in which /_A=90o , A B=21\ c m and A C=28\ c m . Semi-circles are described on A B ,\ B C and A C as diameters. Find the area of the shaded region. (FIGURE)

In Figure, A B C D is a quadrilateral in which diagonal \ A C=84\ c m ; D L_|_A C ,\ B M_|_A C ,\ D L=16. 5\ c m and B M=12\ c m . Find the area of quadrilateral A B C Ddot

Triangle A B C is right angled at AdotA D is perpendicular to B Cdot If A B=5 c m , B C=13 c m and A C=12 c mdot Find the area of A B Cdot Also, find the length of A Ddot

In figure, ABC is a triangle in which /_A B C=90^@ and A D_|_B C . Prove that A C^2=A B^2+B C^2-2B C.B D .

In Fig. 10.57, a circle is inscribed in a quadrilateral A B C D in which /_B=90o . If A D=23 c m , A B=29 c m and D S=5c m , find the radius r of the circle. (FIGURE)

In Figure, A B C D is a trapezium in which A B=7c m ,\ A D=B C=5c m ,\ D C=x\ c m , and distance between A B\ a n d\ D C is 4c m . Find the value of x and area of trapezium A B C D

A B C is a triangle in which D is the mid-point of B C ,\ E\ a n d\ F are mid-points of D C\ a n d\ A E respectively. If area of A B C is 16\ c m^2, find the area of D E F

If triangle A B C is similar to triangle D E F such that B C=3C M ,E F=4c m and area of triangle A B C=54c m^2 . Determine the area of triangle D E Fdot

A B C D is a trapezium in which A B D Cdot If a r( A B D)=24\ c m^2a n d\ A B=8\ c m , then height of A B C is 3 cm (b) 4 cm (c) 6 cm (d) 8 cm

RD SHARMA-TRIANGLES-All Questions
  1. The areas of two similar triangles are 25\ c m^2 and 36\ c m^2 resp...

    Text Solution

    |

  2. The corresponding altitudes of two similar triangles are 6 cm and 9...

    Text Solution

    |

  3. A B C is a triangle in which /A=90o,\ \ A N|B C ,\ \ B C=12 c m and...

    Text Solution

    |

  4. In Fig. 4.178, D E B C (FIGURE) If D E=4c m , B C=6c m and Area ( ...

    Text Solution

    |

  5. In A B C ,\ D and E are the mid-points of A B and A C respectively...

    Text Solution

    |

  6. In Fig. 4.179, A B C and D B C are on the same base B C . If A...

    Text Solution

    |

  7. A B C D is a trapezium in which A B C D . The diagonals A C and...

    Text Solution

    |

  8. In A B C , P divides the side A B such that A P : P B=1:2 . Q is a...

    Text Solution

    |

  9. The areas of two similar triangles are 100\ c m^2 and 49\ c m^2 res...

    Text Solution

    |

  10. The areas of two similar triangles are 121\ c m^2 and 64\ c m^2 res...

    Text Solution

    |

  11. If A B C D E F such that A B=5c m , area ( A B C)=20\ c m^2 and are...

    Text Solution

    |

  12. In A B C , P Q is a line segment intersecting A B at P and A C at ...

    Text Solution

    |

  13. The areas of two similar triangles A B C and P Q R are in the ra...

    Text Solution

    |

  14. A B C is a triangle and P Q is a straight line meeting A B in P ...

    Text Solution

    |

  15. If D is a point on the side A B of A B C such that A D : D B=3:2 a...

    Text Solution

    |

  16. (Result on obtuse triangle) In Fig. 4.183, A B C is an obtuse t...

    Text Solution

    |

  17. (Result on acute triangle) In Fig. 4.184, /B of A B C is an acute ...

    Text Solution

    |

  18. A right triangle has hypotenuse of length p\ c m and one side of...

    Text Solution

    |

  19. The sides of certain triangles are given below. Determine which of ...

    Text Solution

    |

  20. A man goes 10m due east and then 24 m due north. Find the distance ...

    Text Solution

    |