Home
Class 10
MATHS
In a A B C , /A=90o , A B=5c m and A C=...

In a ` A B C` , `/_A=90o` , `A B=5c m` and `A C=12 c m` . If `A D_|_B C` , then `A D=` `(13)/2c m` (b) `(60)/(13)c m` (c) `(13)/(60)c m` (d) `(2sqrt(15))/3c m`

Text Solution

AI Generated Solution

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 a A B C , if A B=5c m ,B C=13a n dC A=12 c m , then the distance of vertex ' A ' from the side B C in (in cm) a.(25)/(13) b. (60)/(13) c. (65)/(12) d. (144)/(13)

In a A B C , A D is the bisector of /_B A C . If A B=6c m , A C=5c m and B D=3c m , then D C= 11. 3 c m (b) 2. 5 c m (c) 3:5c m (d) None of these

In a A B C , A D is the bisector of /_B A C . If A B=8c m , B D=6c m and D C=3c m . Find A C 4c m (b) 6c m (c) 3c m (d) 8c m

In Figure, if A C is bisector fo /_B A D such that A B=3\ c m\ a n d\ A C=5\ c m , then C D= 2\ c m (b) 3\ c m (c) 4\ c m (d) 5\ c m

X Y is drawn parallel to the base B C of a A B C cutting A B at X and A C at Y . If A B=4 B X and Y C=2c m , then A Y= 2c m (b) 4c m (c) 6c m (d) 8c m

A B C is such that A B=3c m , B C=2c m and C A=2. 5 c m . If D E F A B C and E F=4c m , then perimeter of D E F is 7. 5 c m (b) 15 c m (c) 22. 5 c m (d) 30 c m .

A B C D E F . If B C=3c m , E F=4c m and a r( A B C)=54 c m^2 , then a r( D E F)= 108 c m^2 (b) 96 c m^2 (c) 48 c m^2 (d) 100 c m^2

In Figure, A B C D is a parallelogram. If A B=12\ c m ,\ \ A E=7. 5\ c m ,\ C F=15\ c m , then A D= 3 cm (b) 6 cm (c) 8 cm (d) 10.5 cm

Length of each edge, of a regular tetrahedron is 1 cm. Its volume is (sqrt(3))/(12)c m^3 (b) 1/4sqrt(3) c m^3 (c) (sqrt(2))/6c m^3 (d) 1/(12)sqrt(2) c m^3

If A B C D E F such that D E=3c m , E F=2c m , D F=2. 5 c m , B C=4c m , then perimeter of A B C is (a) 18cm (b) 20cm (c) 12cm (d) 15cm

RD SHARMA-TRIANGLES-All Questions
  1. If A B C and D E F are similar triangles such that /A=47o and /E=83...

    Text Solution

    |

  2. If D ,\ E and F are the mid-points of the sides of a A B C , the r...

    Text Solution

    |

  3. In a A B C , /A=90o , A B=5c m and A C=12 c m . If A D|B C , then A D...

    Text Solution

    |

  4. In an equilateral triangle A B C , if A D|B C , then 2\ A B^2=3\ A ...

    Text Solution

    |

  5. If A B C is an equilateral triangle such that A D|B C , then A D^2...

    Text Solution

    |

  6. In a A B C , perpendicular A D from A on B C meets B C at D . If B...

    Text Solution

    |

  7. In a A B C , point D is on side A B and point E is on side A C , such...

    Text Solution

    |

  8. In a A B C , A D is the bisector of /B A C . If A B=6c m , A C=5c ...

    Text Solution

    |

  9. In a A B C , A D is the bisector of /B A C . If A B=8c m , B D=6c ...

    Text Solution

    |

  10. A B C D is a trapezium such that B C || A D and A B=4c m . If the ...

    Text Solution

    |

  11. If A B C is an isosceles triangle and D is a point on B C such t...

    Text Solution

    |

  12. A B C is a right triangle right-angled at A and A D|B C . Then, (B ...

    Text Solution

    |

  13. If E is a point on side C A of an equilateral triangle A B C suc...

    Text Solution

    |

  14. If in A B C and D E F , (A B)/(D E)=(B C)/(F D) , then A B C ~ D E...

    Text Solution

    |

  15. If in two triangles A B C and D E F , (A B)/(D E)=(B C)/(F E)=(C A)...

    Text Solution

    |

  16. A B C D E F , a r( A B C)=9c m^2 , a r( D E F)=16 c m^2 . If B C=2. ...

    Text Solution

    |

  17. The length of the hypotenuse of an isosceles right triangle whose o...

    Text Solution

    |

  18. A man goes 24m due west and then 7m due north. How far is he from t...

    Text Solution

    |

  19. A B C D E F . If B C=3c m , E F=4c m and a r( A B C)=54 c m^2 , then...

    Text Solution

    |

  20. A B C P Q R such that a r( A B C)=4a r( P Q R)dot If B C=12 c m , th...

    Text Solution

    |