Home
Class 10
MATHS
In thereforeDeltaABC,segADbotsegBCandDB=...

In `thereforeDeltaABC,segADbotsegBCandDB=3CD." Prove that : "2AB^(2)=2AC^(2)+BC^(2).`

Promotional Banner

Topper's Solved these Questions

  • PYTHAGORAS THEOREM

    BAL BHARTI|Exercise PRACTICE SET 2.1 |9 Videos
  • PYTHAGORAS THEOREM

    BAL BHARTI|Exercise PRACTICE SET 2.2|3 Videos
  • PROBABILITY

    BAL BHARTI|Exercise Problem Set 5|26 Videos
  • QUADRATIC EQUATIONS

    BAL BHARTI|Exercise Problem Set - 2 |27 Videos

Similar Questions

Explore conceptually related problems

In DeltaABC , seg AD bot seg BC , DB=3CD . Prove that 2AB^(2)=2AC^(2)+BC^(2) .

In DeltaABC,angleABC=135^(@) . Prove that : AC^(2)=AB^(2)+BC^(2)+4A(DeltaABC) .

In triangle ABC , seg AD_|_side BC , B-D-C. Prove that AB^2+CD^2=BD^2+AC^2

In DeltaABC, if M is the midpiont of BC and seg AM bot seg BC, then prove that prove that AB^(2)+AC^(2)=2AM^(2)+2BM^(2).

In the adjoining figure, the circle is the incircle of isosceles DeltaABC , where seg AB = seg AC. Prove that M bisects BC.

In an equilateral triangle ABC,the side BC is trisected at D.Prove that: 9AD^2=7AB^2 .

In the adjoining figure, AB~=CD . Prove that arc AC ~=arc BD

Prove the following:If tanA=1/2,tanB=1/3 ,prove that cos2A=sin2B

In an isosceles Delta ABC , if AC=BC and AB ^(2)= 2AC^(2) "then" angle C=?

In the adjoining figure,seg DE abs() side AC and seg DC abs() side AP. Prove that (BE)/(EC) = (BC)/(CP) .

BAL BHARTI-PYTHAGORAS THEOREM -PRACTICE SET 2
  1. In thereforeDeltaABC,segADbotsegBCandDB=3CD." Prove that : "2AB^(2)=2A...

    Text Solution

    |

  2. Which of the following is a Pythagorean triplet?

    Text Solution

    |

  3. In a right angled triangle, if sum of the squares of the sides making ...

    Text Solution

    |

  4. Choose the correct altenative : out of the dates given below which dat...

    Text Solution

    |

  5. If a, b, c are in A.P. and a^2, b^2, c^2 are in H.P then

    Text Solution

    |

  6. Find the side and perimeter of a square whose diagonal is 10 cm.

    Text Solution

    |

  7. Altitude on the hypotenuse of a right angle triangle divides it in two...

    Text Solution

    |

  8. Height and base of a right angled triangle are 24 cm and 18 cm, find t...

    Text Solution

    |

  9. In triangle ABC, AB=6 sqrt 3 cm, AC=12 cm, BC=6 cm. Find measure of /B

    Text Solution

    |

  10. Find the height of an equilateral triangle having side 2a.

    Text Solution

    |

  11. Do sides 7 cm, 24 cm, 25 cm from a right angled triangle? Give reason.

    Text Solution

    |

  12. Find the length of diagonal of a rectangle having dimensions 11 cm and...

    Text Solution

    |

  13. Find the length of the hypotenuse of a right angled triangle if remain...

    Text Solution

    |

  14. Side of isosceles right angled triangle is x. Find its hypotenuse.

    Text Solution

    |

  15. Solve the following examples. In Delta PQR : PQ = sqrt8 , QR = sqrt5 ...

    Text Solution

    |

  16. In DeltaABC,angleB=90^(@),angleA=30^(@),AC=14, then find AB and BC.

    Text Solution

    |

  17. Find the diagonal of a rectangle whose length is 16 cm and area is 192...

    Text Solution

    |

  18. Find the length of the side and perimeter of an equilateral triangle w...

    Text Solution

    |

  19. In triangle ABC, seg AP is a median. If BC=18, AB^2+AC^2=260, then fin...

    Text Solution

    |

  20. triangle ABC is an equilateral triangle. Point P is on base BC such th...

    Text Solution

    |

  21. Prove that the sum of the squares of the diagonals of a parallelogram ...

    Text Solution

    |