Home
Class 10
MATHS
In the given figure, Delta ABC is an obt...

In the given figure, `Delta ABC` is an obtuse triangle, obtuse-angled at B. If `AD bot CB` (produced ) prot that `AC^(2)=AB^(2)+BC^(2)+2BC*BD`

Promotional Banner

Topper's Solved these Questions

  • C.B.S.E 2020 CLASS -X (DELHI)

    OSWAL PUBLICATION|Exercise DELHI SET -II ( SECTION-A ) |5 Videos
  • C.B.S.E 2020 CLASS -X (DELHI)

    OSWAL PUBLICATION|Exercise DELHI SET -II ( SECTION- B ) |2 Videos
  • C.B.S.E 2020 CLASS -X (DELHI)

    OSWAL PUBLICATION|Exercise DELHI SET -I ( SECTION-B )|8 Videos
  • ARITHMETIC PROGRESSIONS

    OSWAL PUBLICATION|Exercise CASE - BASED MCQs |15 Videos
  • C.B.S.E 2020 CLASS -X (OUTSIDE DELHI)

    OSWAL PUBLICATION|Exercise OUTSIDE DELHI SET -III ( SECTION- D ) |2 Videos

Similar Questions

Explore conceptually related problems

In Delta ABC is an obtuse triangle; obtuse-angled at B.If AD perp CB; provet ^(2)(AC)^(^^)2=(AB)^(^^)2+(BC)^(^^)2+2BC*CD

(Result on obtuse triangle) In Fig.4.183,ABC is an obtuse triangle,obtuse angled at B. If AD perp CB ,prove that AC^(2)=AB^(2)+BC^(2)+2BC xx BD (FIGURE)

In the given figure if AD bot BC prove that AB^(2)+CD^(2)= BD^(2) +AC^(2)

In the given figure ABC is a right angled triangle with angleB=90^(@) . D is the mid -point of BC . Show that AC^(2) = AD^(2) +3CD^(2) .

In obtuse angled DeltaABC , /_B gt90^(@) . If seg Adbot ray CB and D-B-C , then prove that AC^(2)=AB^(2)+BC^(2)+2BC*DB .

In figure,/_B<90^(@) and AD perp BC .Prove that AC^(2)=AB^(2)+BC^(2)-2BC.BD

In given figure, ABC is a triangle right angled at B and BD bot AC. If AD=4 cm and CD= 5 cm, then find BD and AB.

In the figure , ABC is triangle in which angleABClt90^(@)andADbotBC . Prove that AC^(2)=AB^(2)+BC^(2)-2BC*BD .

OSWAL PUBLICATION-C.B.S.E 2020 CLASS -X (DELHI)-DELHI SET -I ( SECTION-C )
  1. If a and B are the zeroes of the polynomial f(x) = x^(2) - 4x - 5 then...

    Text Solution

    |

  2. Draw a circle of radius 4 cm. From the point 7 cm away from its centre...

    Text Solution

    |

  3. Draw a line segment of length 8 cm and divides it in the ratio 2: 3

    Text Solution

    |

  4. A solid metallic cuboid of dimension 24 cm xx 11 cm xx 7 cm is melted ...

    Text Solution

    |

  5. Prove that (1 + tan A - Sec A)xx (1 + tan A + sec A) = 2 tan

    Text Solution

    |

  6. Prove that: ("cosec"theta)/("cosec"theta-1)+("cosec"theta)/("cosec"...

    Text Solution

    |

  7. Given that sqrt(3) is an irrational number, show that (5 + 2sqrt(3) ) ...

    Text Solution

    |

  8. An army contingent of 612 members is to march behind an army band of 4...

    Text Solution

    |

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

    Text Solution

    |

  10. To conduct Sports Day activities, in your rectangular shaped school...

    Text Solution

    |

  11. Solve graphically : 2x +y=8, x-y=1

    Text Solution

    |

  12. A two - digit number is such that product of its digits is 14. If ...

    Text Solution

    |

  13. If 4 times the 4^(th) term of an A.P. is equal to 18^(th) times the 1...

    Text Solution

    |

  14. How many terms of the AP : 24, 21,18,... must be taken so that their s...

    Text Solution

    |

  15. The angle of elevation of the top of a building from the foot of a tow...

    Text Solution

    |

  16. In fig.7.84, DEFG is a square and angleBAC = 90°. Prove that: (i)...

    Text Solution

    |

  17. In the given figure, Delta ABC is an obtuse triangle, obtuse-angled at...

    Text Solution

    |

  18. An open metal bucket is in the shape of a frustum of cone of height 21...

    Text Solution

    |

  19. A solid is in the shape of a cone surmounted on a hemi-sphere, the ...

    Text Solution

    |

  20. Find the mean of the following data.

    Text Solution

    |