Home
Class 8
MATHS
The radius of a circle is 7ab – 7bc – 14...

The radius of a circle is `7ab – 7bc – 14ac`. Find the circumference of the circle.` (pi = (22)/(7))`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ALGEBRAIC EXPRESSIONS, IDENTITIES AND FACTORISATION

    NCERT EXEMPLAR|Exercise THINK AND DISCUSS |2 Videos

  • COMPARING QUANTITIES

    NCERT EXEMPLAR|Exercise Think and Discuss|2 Videos

Similar Questions

Explore conceptually related problems

The diameter of a circle is 7. 7 cm, What is the circumference of the circle?

Find the circumference of the circle whose radius is 7 cm.

If the radius of circle is 7 cm, then the circumference of the circle is ________.

The diameter of a circle is 7.7 cms. What is the circumference of the circle ?

Find the circumference of a circle of radius 14 cm.

Find the circumference of a circle of radius 14cm.

The radius of a circle is 7 cm. Find its area

The radius of a circle is 4.7 cm. Find its circumference

The difference between the circumference and radius of a circle is 37cm. Using pi=22/7 ,find the circumference of the circle.

NCERT EXEMPLAR-ALGEBRAIC EXPRESSIONS, IDENTITIES AND FACTORISATION -EXERCISE
  1. The cost of a chocolate is Rs (x + y) and Rohit bought (x + y) chocola...

    Text Solution

    |

  2. The base of a parallelogram is (2x + 3) units and the corresponding he...

    Text Solution

    |

  3. The radius of a circle is 7ab – 7bc – 14ac. Find the circumference of ...

    Text Solution

    |

  4. If p + q=12 and pq= 22, then find p^(2) + q ^(2).

    Text Solution

    |

  5. If a+b=25 and a^(2)+b^(2)=225 then find ab

    Text Solution

    |

  6. If x -y = 13 and xy = 28, then find x ^(2) + y ^(2).

    Text Solution

    |

  7. If m -n = 16 and m ^(2) + n ^(2) = 400, then find mn.

    Text Solution

    |

  8. If a ^(2) + b ^(2) = 74 and ab = 35, then find a + b.

    Text Solution

    |

  9. Verify that (ab+ bc) (ab- bc) + (bc+ ca) (bc- ca) + (ca + ab) (ca- a...

    Text Solution

    |

  10. Verify that (a +b + c) (a ^(2) + b ^(2) + c ^(2) - ab - bc - ca) = a...

    Text Solution

    |

  11. Verify that (p-q) ( p ^(2) + pq + q ^(2)) = p ^(3) - q ^(3)

    Text Solution

    |

  12. Verify that (m + n) ( m ^(2) - mn + n ^(2)) = m ^(3) + n ^(3)

    Text Solution

    |

  13. Verify the (a+b ) (a+b) (a +b) = a ^(3) + 3a ^(2) b + 3a^(2) b + 3a ...

    Text Solution

    |

  14. Verify that (a-b) (a -b) (a-b) = a ^(3) - 3a ^(2) b + 3a b ^(2) - b ...

    Text Solution

    |

  15. Verify that (a ^(2) - b ^(2)) (a ^(2) + b ^(2)) + (b ^(2) - c ^(2)) ...

    Text Solution

    |

  16. Verify that (5x + 8) ^(2) - 160 x = (5x - 8) ^(2)

    Text Solution

    |

  17. Verify the (7p - 13q ) ^(2) + 364 pq = (7p + 13q) ^(2)

    Text Solution

    |

  18. Verify that ((3p )/( 7) + (7)/(6p )) ^(2) - ((3p)/(7) -(7)/( 6p ))^2...

    Text Solution

    |

  19. Find the value of a, if 8a = 35 ^(2) - 27 ^(2)

    Text Solution

    |

  20. Find the value of a, if 9a = 76 ^(2) - 67 ^(2)

    Text Solution

    |