Home
Class 7
MATHS
A B C is an isosceles right-triangle r...

` A B C` is an isosceles right-triangle right angled at `C` such that `A C=5\ c mdot` Then, `A B=` (a) 2.5 cm (b) `5sqrt(2)` cm (c) 10 cm (d) 5 cm

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • PROFIT AND LOSS

    RD SHARMA ENGLISH|Exercise All Questions|51 Videos
  • RATIO AND PROPORTION

    RD SHARMA ENGLISH|Exercise All Questions|79 Videos

Similar Questions

Explore conceptually related problems

A B C is an isosceles right triangle right-angled at C . Prove that A B^2=2A C^2 .

ABC is an isosceles right triangle, right-angled at C . Prove that: A B^2=2A C^2dot

A B C is a right triangle right angles at Adot If A B=24\ c m\ a n d\ A C=7\ c m ,\ t h e n\ B C= (a) 31 cm (b) 17 cm (c) 25 cm (d) 28 cm

Construct a right triangle, right angled at C in which A B=5. 2"\ "c m and B C=4. 6\ c mdot

In triangleABC right angled at C. AB= 1.7 cm, BC= 1.5 cm, find CA

In a right triangle ABC, right angled at C, if a = 7 cm and b = 7 sqrt(3) cm, then angleA =

Find the area of a right angled triangle with base B C=7\ c m and hypotenuse A C=25\ c mdot

In Figure, two equal circles touch each other at T , if Q P=4. 5 c m , then Q R= (a) 9cm (b) 18cm (c) 15cm (d) 13.5cm

In triangle A B C is right-angled at B . Given that A B=9cm ,\ A C=15 cm calculate B C .

BL and CM are medians of a triangle ABC right angled at A. Prove that 4(B L^2+C M^2)=5B C^2

RD SHARMA ENGLISH-PROPERTIES OF TRIANGLES-All Questions
  1. In Fig.67, the value of x\ a n d\ y\ a r e x=130 ,\ y=120 (b) x=120 ...

    Text Solution

    |

  2. In Fig.68, the value of x\ a n d\ y are x=120 ,\ y=150 (b) x=110 ,\ y...

    Text Solution

    |

  3. In Fig.69, if A B C D , then the value of x\ a n d\ y are x=106 ,\ y=...

    Text Solution

    |

  4. In Fig.70, if A B C D , then the value of x\ a n d\ y are x=24 ,\ y=4...

    Text Solution

    |

  5. In Fig.71, if A B C D , then the values of x ,\ y\ a n d\ z are x=56 ...

    Text Solution

    |

  6. In Fig.72, if A B || C D and A E || B D , then the value of x i...

    Text Solution

    |

  7. If the exterior angles of a triangle are (2x+10)^0,\ (3x-5)^0 and (2x...

    Text Solution

    |

  8. In Fig.73, the value of x is 20 (b) 30 40 (d) 25

    Text Solution

    |

  9. In Fig.74, if A B C D ,\ /C A B=49^0, /C B D=27^0\ a n d\ /B C D=112^...

    Text Solution

    |

  10. Which of the following is the set of measure of the sides of a triangl...

    Text Solution

    |

  11. In which of the following cases, a right triangle cannot be construc...

    Text Solution

    |

  12. Which of the following is/are not Pythagorean triplet (s)? (a) 3,4,...

    Text Solution

    |

  13. In a right triangle, one of the acute angle is four times the other. I...

    Text Solution

    |

  14. In which of the following cases can a right triangle A B C be constr...

    Text Solution

    |

  15. A B C is a right triangle right angles at Adot If A B=24\ c m\ a n d...

    Text Solution

    |

  16. A B C is an isosceles right-triangle right angled at C such that A C...

    Text Solution

    |

  17. Two poles of heights 6 m and 11 m stand vertically on a plane ground...

    Text Solution

    |

  18. A ladder is placed in such a way that its foot is 15 m away from the...

    Text Solution

    |

  19. The hypotenuse of a right triangle is 26 cm long. If one of the rema...

    Text Solution

    |

  20. A 15 m long ladder is placed against a wall in such away that the fo...

    Text Solution

    |