Home
Class 12
MATHS
If a wire of length l, with error delta...

If a wire of length `l`, with error `delta l`, is bent into an equilateral triangle , then approximate error in area of the triangle is

A

`(l. delta l)/(4sqrt3)`

B

`(l. delta l)/(sqrt3)`

C

`(l. delta l)/(6 sqrt3)`

D

`(l . delta l)/(2 sqrt3)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • APLICATIONS OF DERIVATIVES

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - I : CHAPTER 12)|19 Videos

  • APPLICATIONS OF DEFINITE INTEGRALS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|11 Videos

Similar Questions

Explore conceptually related problems

Area of an equilateral triangle

The height of an equilateral triangle is 6cm, then the area of the triangle is

If the side of an equilateral triangle is 16cm, then the area of the triangle is

The height of an equilateral triangle is 15 cm. The area of the triangle is

A wire is bent into the form of a circle, whose area is 154 cm^(2) . If the same wire is bent into the form of an equilateral triangle, the approximate area of the equilateral triangle is

The length of a median of an equilateral triangle is 12sqrt(3) cms. Then the area of the triangle is :

MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
  1. If S=16+ 192 t-t^(3), then distance tavelled by the particle before co...

    Text Solution

    |

  2. The distances moved by a particle in time t seconds is given by s=t^(3...

    Text Solution

    |

  3. A stone thrown vertically upwards rises S ft in t seconds where S =11...

    Text Solution

    |

  4. If displacement x at time t is x=sqrt(1+t^(2)) , then acceleration is

    Text Solution

    |

  5. If the circumference of a circle at the rate of 0.2 cm //sec, then, wh...

    Text Solution

    |

  6. A stone is dropped into a quiet pond and waves spread in the form of c...

    Text Solution

    |

  7. Perimeter of square increases at the rate of 0.4 cm// sec. When the si...

    Text Solution

    |

  8. Each side of an equilateral triangle increases at a uniform rate of 0....

    Text Solution

    |

  9. If the surface area of a cube increases at the rate of 0.6cm^(2) //sec...

    Text Solution

    |

  10. If V denotes the volume and S is the surface area of a sphere. If radi...

    Text Solution

    |

  11. Water is poured into an inverted cone of semi-vertical angle 30^(@) at...

    Text Solution

    |

  12. A ladder 10 m long leans against a house. When its foot is 6 m from th...

    Text Solution

    |

  13. If y=(log x) - (2)/(x), x=(1)/(2), deltax =10 ^(-8), then delta y ~~…

    Text Solution

    |

  14. If 1^(@) =0.0174^(c), then tan (45^(@) 50')~~…

    Text Solution

    |

  15. If diameter of a sphere is 2 cm with error 0.082 mm, then approximate ...

    Text Solution

    |

  16. If a wire of length l, with error delta l, is bent into an equilatera...

    Text Solution

    |

  17. if radius of a sphere is r with error delta r , and S is its surface ...

    Text Solution

    |

  18. If 1^(@) =0.018^(c), then sin^(2) (45 ^(@) 2')~~…

    Text Solution

    |

  19. A point P moves along the curve y=x^(3). If its abscissa is increasing...

    Text Solution

    |