Home
Class 12
MATHS
If PQ and PR are the two sides of a tri...

If PQ and PR are the two sides of a triangle, then the angle between them which gives maximum area of the triangle is-

A

`(pi)/(4)`

B

`(pi)/(3)`

C

`(pi)/(2)`

D

`(2pi)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 4|30 Videos
  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 5|30 Videos
  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 2|30 Videos
  • MCQ ZONE

    CHHAYA PUBLICATION|Exercise Question Paper 7|80 Videos
  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 9|66 Videos

Similar Questions

Explore conceptually related problems

If the sides of right angled triangle are in G.P then the cosines of the acute angle of the triangle are-

The measures of the sides of a triangle are 3,5 and 7 then the greatest angle of the triangle is-

An isosceles triangle has two equal sides of length 'a' and angle between them is prop . The area of the triangle is

Two vectors hati+hatj+2hatk and hati+hatj-hatk represent two sides of a triangle . Find the angle between them and the length of the third side.

If A is the area and 2s is the sum of the sides of a triangle, then

If the area of the square drawn on any side of a triangle is equal to the sum of the areas of the squares drawn on the other two sides of the triangle ,then the triangle will be right-angled triangle, the opposite angle of the greatest side of which will be "......................" .

Construct a triangle whose two sides are 9 cm and 7 cm and the angle between them is 60^@ Construct the incircle of the triangle. (Only traces of construction are required).

IF the lengths of the side of triangle are 3,5 and 7, then the largest angle of the triangle is

If the sum of the lengths of the hypotenuse and another side of a right-angled triangle is given, show that the area of the triangle is maximum when the angle between these sides is pi/3dot

Prove that the area of a right-angled triangle of a given hypotenuse is maximum when the triangle is isosceles.

CHHAYA PUBLICATION-MCQ ZONE 3 -Question Paper 3
  1. The equation of the normal to the ellipse (x^(2))/(a^(2)) + (y^(2))/(b...

    Text Solution

    |

  2. The point on the curve sqrt(x) + sqrt(y) = sqrt(a), the normal at whic...

    Text Solution

    |

  3. The slope of the tangent to the curve x= 3t^(2) +1, y=t^(3)-1 at x=1...

    Text Solution

    |

  4. If the area above the x-axis bounded by the curve y=2^(kx) and the lin...

    Text Solution

    |

  5. If the line x+y =1 is a tangent to the parabola y^(2)-y +x=0, then th...

    Text Solution

    |

  6. The angle between the curves y= sin x and y= cos x is-

    Text Solution

    |

  7. The function f(x)=cos x - 2ax is monotonically decreasing when-

    Text Solution

    |

  8. If PQ and PR are the two sides of a triangle, then the angle between ...

    Text Solution

    |

  9. The function f(x)=x^(3) +3x^(2) +4x+7 is increasing for-

    Text Solution

    |

  10. If x+y=60, x, y gt 0, then the maximum value of xy^(3) is-

    Text Solution

    |

  11. The points of extrema of f(x)= int(0)^(x) (sin t)/(t)dt in the domain ...

    Text Solution

    |

  12. If the function f(x)= 2x^(3)-9ax^(2) +12a^(2)x +1, where a gt 0 attai...

    Text Solution

    |

  13. A land in the form of a circular sector has been fenced by wire of 40 ...

    Text Solution

    |

  14. The maximum value of the function f(x)=3 cos x - 4 sin x is-

    Text Solution

    |

  15. The function f(x)= (lamda sin x + 6 cos x )/(2 sin x + 3 cos x) is ...

    Text Solution

    |

  16. The surface area of a spherical bubble is increasing at the rate of ...

    Text Solution

    |

  17. A point on the parabola y^(2)=18x at which the ordinate increases at t...

    Text Solution

    |

  18. A function y=f(x) has a second order derivative f''(x)=6(x-1). If its ...

    Text Solution

    |

  19. Maximize : Z=5y+2x subject to constraints- x+2y le 4, 7x + 8y ge 56...

    Text Solution

    |

  20. An open box with a square base is made out of a given iron sheet of ar...

    Text Solution

    |